10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

☒      QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

FOR THE QUARTERLY PERIOD ENDED June 30, 2021

OR

☐         TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

FOR THE TRANSITION PERIOD FROM ___________ TO___________

Commission file number 1-16671

AMERISOURCEBERGEN CORPORATION

(Exact name of registrant as specified in its charter)

Delaware			23-3079390
(State or other jurisdiction of			(I.R.S. Employer
incorporation or organization)			Identification No.)
1 West First Avenue	Conshohocken,	PA	19428-1800
(Address of principal executive offices)			(Zip Code)

 (610) 727-7000

(Registrant’s telephone number, including area code)

 Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of exchange on which registered
Common stock	ABC	New York Stock Exchange	(NYSE)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes  ý  No  o

Indicate by check mark whether the registrant has submitted electronically, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes  ý  No o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company (as defined in Rule 12b-2 of the Exchange Act).

Large accelerated filer ý  Accelerated filer o  Non-accelerated filer o  Smaller reporting company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐   No  ý

The number of shares of common stock of AmerisourceBergen Corporation outstanding as of July 31, 2021 was 207,787,116.

AMERISOURCEBERGEN CORPORATION

TABLE OF CONTENTS

	Page No.
Part I. FINANCIAL INFORMATION
Item 1. Financial Statements (Unaudited)
Consolidated Balance Sheets as of June 30, 2021 and September 30, 2020	2
Consolidated Statements of Operations for the three and nine months ended June 30, 2021 and 2020	3
Consolidated Statements of Comprehensive Income for the three months and nine months ended June 30, 2021 and 2020	4
Consolidated Statements of Changes in Stockholders' Equity for the three months and nine months ended June 30, 2021 and 2020	5
Consolidated Statements of Cash Flows for the nine months ended June 30, 2021 and 2020	7
Notes to Consolidated Financial Statements	8
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations	23
Item 3. Quantitative and Qualitative Disclosures About Market Risk	37
Item 4. Controls and Procedures	37
Part II. OTHER INFORMATION
Item 1. Legal Proceedings	38
Item 1A. Risk Factors	38
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds	38
Item 3. Defaults Upon Senior Securities	39
Item 4. Mine Safety Disclosures	39
Item 5. Other Information	39
Item 6. Exhibits	40
SIGNATURES	41

1

PART I. FINANCIAL INFORMATION 

ITEM I. Financial Statements (Unaudited)

AMERISOURCEBERGEN CORPORATION AND SUBSIDIARIES 

CONSOLIDATED BALANCE SHEETS

(in thousands, except share and per share data)	June 30, 2021		September 30, 2020
	(Unaudited)
ASSETS
Current assets:
Cash and cash equivalents	$	2,553,217	$	4,597,746
Accounts receivable, less allowances for returns and credit losses: $1,320,465 as of June 30, 2021 and $1,417,308 as of September 30, 2020	17,695,170		13,846,301
Inventories	14,996,364		12,589,278
Right to recover assets	1,215,839		1,344,649
Income tax receivable	254,065		488,428
Prepaid expenses and other	545,111		189,300
Total current assets	37,259,766		33,055,702
Property and equipment, net	2,143,080		1,484,808
Goodwill	9,132,723		6,706,719
Other intangible assets	5,437,825		1,886,107
Deferred income taxes	289,040		361,640
Other assets	1,668,502		779,854
TOTAL ASSETS	$	55,930,936	$	44,274,830
LIABILITIES AND STOCKHOLDERS’ EQUITY (DEFICIT)
Current liabilities:
Accounts payable	$	36,502,816	$	31,705,055
Accrued expenses and other	2,631,413		1,646,763
Short-term debt	455,609		501,259
Total current liabilities	39,589,838		33,853,077
Long-term debt	6,647,183		3,618,261
Accrued income taxes	283,735		284,845
Deferred income taxes	1,671,696		686,485
Accrued litigation liability	6,271,276		6,198,943
Other liabilities	1,058,767		472,855
Commitments and contingencies (Note 10)
Stockholders’ equity (deficit):
Common stock, $0.01 par value - authorized, issued, and outstanding: 600,000,000 shares, 290,343,806 shares, and 207,710,721 shares as of June 30, 2021, respectively, and 600,000,000 shares, 287,790,479 shares, and 204,226,465 shares as of September 30, 2020, respectively	2,903		2,878
Additional paid-in capital	5,412,586		5,081,776
Retained earnings	1,325,422		518,335
Accumulated other comprehensive loss	(233,238)		(108,830)
Treasury stock, at cost: 82,633,085 shares as of June 30, 2021 and 83,564,014 shares as of September 30, 2020	(6,469,711)		(6,513,083)
Total AmerisourceBergen Corporation stockholders' equity (deficit)	37,962		(1,018,924)
Noncontrolling interests	370,479		179,288
Total equity (deficit)	408,441		(839,636)
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY (DEFICIT)	$	55,930,936	$	44,274,830

See notes to consolidated financial statements.

2

AMERISOURCEBERGEN CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF OPERATIONS

(Unaudited)

	Three months ended June 30,				Nine months ended June 30,
(in thousands, except per share data)	2021		2020		2021		2020
Revenue	$	53,405,695	$	45,366,777	$	155,076,422	$	140,649,158
Cost of goods sold	51,517,489		44,141,061		150,202,605		136,804,121
Gross profit	1,888,206		1,225,716		4,873,817		3,845,037
Operating expenses:
Distribution, selling, and administrative	913,414		666,885		2,378,563		2,046,251
Depreciation	82,320		69,594		231,535		208,634
Amortization	44,781		25,821		95,916		85,091
Employee severance, litigation, and other	226,964		58,585		375,501		165,626
Impairment of PharMEDium assets	—		—		—		361,652
Operating income	620,727		404,831		1,792,302		977,783
Other (income) loss, net	(4,141)		1,073		4,901		2,806
Interest expense, net	51,338		37,748		119,478		103,176
Loss on early retirement of debt	—		22,175		—		22,175
Income before income taxes	573,530		343,835		1,667,923		849,626
Income tax expense (benefit)	278,082		56,567		559,763		(595,321)
Net income	295,448		287,268		1,108,160		1,444,947
Net (income) loss attributable to noncontrolling interests	(3,326)		2,171		(5,926)		(7,591)
Net income attributable to AmerisourceBergen Corporation	$	292,122	$	289,439	$	1,102,234	$	1,437,356
Earnings per share:
Basic	$	1.42	$	1.42	$	5.37	$	7.01
Diluted	$	1.40	$	1.41	$	5.31	$	6.95
Weighted average common shares outstanding:
Basic	206,156		203,654		205,255		205,017
Diluted	208,912		205,544		207,679		206,714
Cash dividends declared per share of common stock	$	0.44	$	0.42	$	1.32	$	1.24

See notes to consolidated financial statements.

3

AMERISOURCEBERGEN CORPORATION AND SUBSIDIARIES

 CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(Unaudited) 

	Three months ended June 30,				Nine months ended June 30,
(in thousands)	2021		2020		2021		2020
Net income	$	295,448	$	287,268	$	1,108,160	$	1,444,947
Other comprehensive (loss) income
Foreign currency translation adjustments	(154,075)		3,181		(114,136)		(27,224)
Other	—		(690)		—		(656)
Total other comprehensive (loss) income	(154,075)		2,491		(114,136)		(27,880)
Total comprehensive income	141,373		289,759		994,024		1,417,067
Comprehensive (income) loss attributable to noncontrolling interests	(13,241)		3,824		(16,198)		3,590
Comprehensive income attributable to AmerisourceBergen Corporation	$	128,132	$	293,583	$	977,826	$	1,420,657

See notes to consolidated financial statements.

4

AMERISOURCEBERGEN CORPORATION AND SUBSIDIARIES 

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY

(Unaudited)

(in thousands, except per share data)	Common Stock		Additional Paid-in Capital		Retained Earnings		Accumulated Other Comprehensive Loss		Treasury Stock		Noncontrolling Interests		Total
March 31, 2021	$	2,900	$	5,278,379	$	1,124,976	$	(69,248)	$	(6,618,763)	$	178,974	$	(102,782)
Net income	—		—		292,122		—		—		3,326		295,448
Other comprehensive (loss) income	—		—		—		(163,990)		—		9,915		(154,075)
Cash dividends, $0.44 per share	—		—		(91,676)		—		—		—		(91,676)
Exercises of stock options	3		33,968		—		—		—		—		33,971
Share-based compensation expense	—		14,355		—		—		—		—		14,355
Equity consideration issued for acquisition of Alliance Healthcare (Note 2)	—		86,089		—		—		149,052		—		235,141
Acquisition of Alliance Healthcare   (Note 2)	—		—		—		—		—		178,264		178,264
Other	—		(205)		—		—		—		—		(205)
June 30, 2021	$	2,903	$	5,412,586	$	1,325,422	$	(233,238)	$	(6,469,711)	$	370,479	$	408,441

(in thousands, except per share data)	Common Stock		Additional Paid-in Capital		Retained Earnings		Accumulated Other Comprehensive Loss		Treasury Stock		Noncontrolling Interests		Total
March 31, 2020	$	2,868	$	4,972,109	$	5,248,005	$	(132,808)	$	(6,499,584)	$	114,523	$	3,705,113
Net income (loss)	—		—		289,439		—		—		(2,171)		287,268
Other comprehensive income (loss)	—		—		—		4,144		—		(1,653)		2,491
Cash dividends, $0.42 per share	—		—		(86,223)		—		—		—		(86,223)
Exercises of stock options	7		60,984		—		—		—		—		60,991
Share-based compensation expense	—		11,816		—		—		—		—		11,816
Purchases of common stock	—		—		—		—		(13,297)		—		(13,297)
Employee tax withholdings related to restricted share vesting	—		—		—		—		(75)		—		(75)
Other	—		(133)		—		—		—		—		(133)
June 30, 2020	$	2,875	$	5,044,776	$	5,451,221	$	(128,664)	$	(6,512,956)	$	110,699	$	3,967,951

See notes to consolidated financial statements.

5

AMERISOURCEBERGEN CORPORATION AND SUBSIDIARIES 

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY

(Unaudited)

(in thousands, except per share data)	Common Stock		Additional Paid-in Capital		Retained Earnings		Accumulated Other Comprehensive Loss		Treasury Stock		Noncontrolling Interests		Total
September 30, 2020	$	2,878	$	5,081,776	$	518,335	$	(108,830)	$	(6,513,083)	$	179,288	$	(839,636)
Adoption of ASC 326, net of tax (Note 1)	—				(21,106)		—		—		(2,988)		(24,094)
Net income	—		—		1,102,234		—		—		5,926		1,108,160
Other comprehensive (loss) income	—		—		—		(124,408)		—		10,272		(114,136)
Cash dividends, $1.32 per share	—		—		(274,041)		—		—		—		(274,041)
Exercises of stock options	18		164,279		—		—		—		—		164,297
Share-based compensation expense	—		81,465		—		—		—		—		81,465
Purchases of common stock	—		—		—		—		(82,150)		—		(82,150)
Employee tax withholdings related to restricted share vesting	—		—						(23,530)		—		(23,530)
Equity consideration issued for acquisition of Alliance Healthcare (Note 2)	—		86,089		—		—		149,052		—		235,141
Acquisition of Alliance Healthcare   (Note 2)	—		—		—		—		—		178,264		178,264
Other	7		(1,023)		—		—		—		(283)		(1,299)
June 30, 2021	$	2,903	$	5,412,586	$	1,325,422	$	(233,238)	$	(6,469,711)	$	370,479	$	408,441

(in thousands, except per share data)	Common Stock		Additional Paid-in Capital		Retained Earnings		Accumulated Other Comprehensive Loss		Treasury Stock		Noncontrolling Interests		Total
September 30, 2019	$	2,853	$	4,850,142	$	4,235,491	$	(111,965)	$	(6,097,604)	$	114,289	$	2,993,206
Adoption of ASC 842, net of tax	—		—		35,138		—		—		—		35,138
Net income	—		—		1,437,356		—		—		7,591		1,444,947
Other comprehensive loss	—		—		—		(16,699)		—		(11,181)		(27,880)
Cash dividends, $1.24 per share	—		—		(256,764)		—		—		—		(256,764)
Exercises of stock options	18		137,730		—		—		—		—		137,748
Share-based compensation expense	—		57,579		—		—		—		—		57,579
Purchases of common stock	—		—		—		—		(405,692)		—		(405,692)
Employee tax withholdings related to restricted share vesting	—		—		—		—		(9,660)		—		(9,660)
Other	4		(675)		—		—		—		—		(671)
June 30, 2020	$	2,875	$	5,044,776	$	5,451,221	$	(128,664)	$	(6,512,956)	$	110,699	$	3,967,951

See notes to consolidated financial statements.

6

AMERISOURCEBERGEN CORPORATION AND SUBSIDIARIES 

CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

	Nine months ended June 30,
(in thousands)	2021		2020
OPERATING ACTIVITIES
Net income	$	1,108,160	$	1,444,947
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, including amounts charged to cost of goods sold	237,854		215,195
Amortization, including amounts charged to interest expense	102,635		93,758
Provision for credit losses	13,533		25,409
Provision (benefit) for deferred income taxes	303,637		(7,199)
Share-based compensation	81,465		57,579
LIFO (credit) expense	(160,565)		43,195
Impairment of PharMEDium assets	—		361,652
Loss on early retirement of debt	—		22,175
Other, net	21,394		10,241
Changes in operating assets and liabilities, excluding the effects of acquisitions:
Accounts receivable	(116,845)		(436,237)
Inventories	(594,708)		(910,828)
Income taxes receivable	234,362		(590,165)
Prepaid expenses and other assets	86,540		28,757
Accounts payable	242,419		824,105
Income taxes payable	(44,791)		(97,093)
Accrued expenses and other liabilities	69,346		(177,683)
Long-term accrued litigation liability	72,333		—
NET CASH PROVIDED BY OPERATING ACTIVITIES	1,656,769		907,808
INVESTING ACTIVITIES
Capital expenditures	(273,407)		(251,101)
Cost of acquired companies, net of cash acquired	(5,536,717)		—
Cost of equity investments	(162,620)		(34,830)
Other, net	2,516		7,824
NET CASH USED IN INVESTING ACTIVITIES	(5,970,228)		(278,107)
FINANCING ACTIVITIES
Senior notes and other loan borrowings	3,165,184		590,106
Loan repayments	(550,345)		(568,032)
Borrowings under revolving and securitization credit facilities	4,617,858		116,946
Repayments under revolving and securitization credit facilities	(4,612,382)		(149,980)
Payment of premium on early retirement of debt	—		(21,448)
Purchases of common stock	(82,150)		(420,449)
Exercises of stock options	164,297		137,748
Cash dividends on common stock	(274,041)		(256,764)
Tax withholdings related to restricted share vesting	(23,530)		(9,660)
Other	(7,435)		(2,090)
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	2,397,456		(583,623)
(DECREASE) INCREASE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH	(1,916,003)		46,078
Cash, cash equivalents, and restricted cash at beginning of period	4,597,746		3,374,194
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT END OF PERIOD	$	2,681,743	$	3,420,272

 See notes to consolidated financial statements.

7

AMERISOURCEBERGEN CORPORATION AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Note 1.  Summary of Significant Accounting Policies

Basis of Presentation

The accompanying financial statements present the consolidated financial position, results of operations, and cash flows of AmerisourceBergen Corporation and its subsidiaries, including less-than-wholly-owned subsidiaries in which AmerisourceBergen Corporation has a controlling financial interest (the "Company"), as of the dates and for the periods indicated. All significant intercompany accounts and transactions have been eliminated in consolidation.

The accompanying unaudited consolidated financial statements have been prepared in conformity with U.S. generally accepted accounting principles ("GAAP") for interim financial information, the instructions to Form 10-Q, and Rule 10-01 of Regulation S-X. In the opinion of management, all adjustments (consisting only of normal recurring accruals, except as otherwise disclosed herein) considered necessary to present fairly the financial position as of June 30, 2021 and the results of operations and cash flows for the interim periods ended June 30, 2021 and 2020 have been included. Certain information and footnote disclosures normally included in financial statements presented in accordance with U.S. GAAP, but which are not required for interim reporting purposes, have been omitted. The accompanying unaudited consolidated financial statements should be read in conjunction with the financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the fiscal year ended September 30, 2020.

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect amounts reported in the financial statements and accompanying notes. Actual amounts could differ from these estimated amounts. Certain reclassifications have been made to prior-period amounts in order to conform to the current year presentation.

Restricted Cash

The Company's Alliance Healthcare (see Note 2) business is required to maintain certain cash deposits with banks mainly consisting of deposits restricted under contractual agency agreements and cash restricted by law and other obligations.

The following represents a reconciliation of cash and cash equivalents in the Consolidated Balance Sheets to cash, cash equivalents, and restricted cash in the Consolidated Statements of Cash Flows:

(amounts in thousands)	June 30, 2021		September 30, 2020
	(unaudited)
Cash and cash equivalents	$	2,553,217	$	4,597,746
Restricted cash (included in Prepaid Expenses and Other)	128,526		—
Cash, cash equivalents, and restricted cash	$	2,681,743	$	4,597,746

Recently Adopted Accounting Pronouncements

In June 2016, the FASB issued ASU No. 2016-13, "Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments" ("ASU 2016-13"). ASU 2016-13 requires financial assets measured at amortized cost to be presented at the net amount expected to be collected. The measurement of expected credit losses is based on relevant information about past events, including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectibility of the reported amounts. An entity must use judgment in determining the relevant information and estimation methods that are appropriate in its circumstances. ASU 2016-13 was effective for annual reporting periods beginning after December 15, 2019, including interim periods within those fiscal years, and a modified retrospective approach was required, with a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance was effective.

8

The Company adopted ASU 2016-13 as of October 1, 2020. In connection with the adoption of ASU 2016-13, the Company recognized a $21.1 million, net of tax of $6.1 million, cumulative adjustment to retained earnings. The Company evaluates its receivables for risk of loss by grouping its receivables with similar risk characteristics. Expected losses are determined based on a combination of historical loss trends, current economic conditions, and forward-looking risk factors.

Recently Issued Accounting Pronouncements Not Yet Adopted

In December 2019, the FASB issued ASU No. 2019-12, "Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes" ("ASU 2019-12"). ASU 2019-12 removes certain exceptions to the general principles in ASC 740 in order to reduce the cost and complexity of its application. ASU 2019-12 is effective for annual reporting periods beginning after December 15, 2020, including interim periods within those fiscal years, with certain amendments applied on a modified retrospective basis, with a cumulative-effect adjustment to retained earnings as of the beginning of the fiscal year of adoption, and others prospectively. Early adoption of this guidance is permitted, including the adoption in any interim period for public companies for periods for which financial statements have not yet been issued. The Company is currently evaluating the impact of adopting this new accounting guidance.

As of June 30, 2021, there were no other recently-issued accounting standards that may have a material impact on the Company’s financial position, results of operations, cash flows, or notes to the financial statements upon their adoption.

Note 2.  Acquisition

On June 1, 2021, the Company acquired a majority of Walgreens Boots Alliance, Inc.'s ("WBA") Alliance Healthcare businesses ("Alliance Healthcare") for $6,602.0 million in cash, subject to certain purchase price adjustments, $229.1 million of the Company's common stock (2 million shares at the Company's June 1, 2021 opening stock price of $114.54 per share), $118.2 million of estimated accrued consideration, and $6.1 million of other equity consideration (the "Transaction"). The net cash payment was $5,536.7 million, as the Company acquired $922.0 million of cash and cash equivalents and $143.3 million of restricted cash. The shares issued were from the Company's treasury stock on a first-in, first-out basis and were originally purchased for $149.1 million. WBA’s operations in China, Italy, and Germany were not part of this Transaction. The Company funded the cash purchase price through a combination of cash on hand and new debt financing (see Note 6). The acquisition expands the Company's reach and solutions in pharmaceutical distribution and adds to the Company's depth and breadth of global manufacturer services.

The purchase price has been preliminarily allocated to the underlying assets acquired and liabilities assumed based upon their estimated fair values at the date of the acquisition in the table that follows. The preliminary allocation is pending the finalization of the third-party appraisals of intangible assets and the corresponding deferred taxes, as well as the finalization of working capital account balances and lease right-of-use assets and liabilities. There can be no assurance that the estimated amounts recorded will represent the final purchase price allocation.

9

(in thousands)
Consideration
Cash	$	6,602,020
Equity (2 million shares of AmerisourceBergen Corporation common stock)	229,080
Estimated accrued consideration	118,213
Other equity consideration	6,061
Fair value of total consideration	$	6,955,374
Recognized amounts of identifiable assets acquired and liabilities assumed
Cash and cash equivalents	$	921,995
Accounts receivable	3,703,895
Inventories	1,655,291
Prepaid expenses and other	381,888
Property and equipment	633,057
Goodwill	2,488,802
Other intangible assets	3,735,000
Other assets	496,443
Total assets acquired	14,016,371
Accounts payable	(4,618,807)
Accrued expenses and other	(762,223)
Short-term debt	(353,420)
Deferred income taxes	(790,134)
Other liabilities	(358,149)
Total liabilities assumed	(6,882,733)
Net assets acquired	7,133,638
Noncontrolling interest	(178,264)
Equity consideration	(235,141)
Estimated accrued consideration	(118,213)
Cash acquired, including restricted cash of $143,308 included in Prepaid Expenses and Other	(1,065,303)
Net cash paid	$	5,536,717

The estimated fair value of the intangible assets acquired of $3.7 billion and the estimated useful lives are as follows:

(in thousands, except useful lives)	Fair Value		Weighted-Average Useful Life
Customer relationships	$	3,327,000	18
Trade names	408,000		11
Total	$	3,735,000

Goodwill resulting from this acquisition is not expected to be deductible for income tax purposes.

The fair value of the $178.3 million noncontrolling interest in Alliance Healthcare Egypt, a 50%-owned subsidiary, was estimated by applying income and market-based approaches. This fair value measurement is based on inputs that are not observable in the market and; therefore, represents a fair value measurement categorized within Level 3 of the fair value hierarchy.

10

The Company incurred $88.8 million of acquisition-related costs in connection with this acquisition. These costs are included in Employee Severance, Litigation, and Other in the Company's Statements of Operations for the nine months ended June 30, 2021.

The Company's consolidated results of operations since the acquisition date include Alliance Healthcare revenue of $1.9 billion and pretax earnings of $20.6 million. Alliance Healthcare's results of operations are included in Other within the Company's business segment information (see Note 13).

Prior to August 18, 2021, the Company will file unaudited condensed combined pro forma financial statements combining the historical consolidated financial statements of the Company and Alliance Healthcare, as adjusted to give effect to the acquisition of Alliance Healthcare by the Company in a Current Report on Form 8-K.

See Part II. Other Information-Item 1A. Risk Factors on page 38 of this Quarterly Report on Form 10-Q for additional risk factors related to our strategic transactions with WBA.

Note 3. Variable Interest Entity

The Company has substantial governance rights over Profarma Distribuidora de Produtos Farmacêuticos S.A. ("Profarma"), which allow it to direct the activities that significantly impact Profarma’s economic performance. As such, the Company consolidates the operating results of Profarma in its consolidated financial statements. The Company is not obligated to provide future financial support to Profarma.

The following assets and liabilities of Profarma are included in the Company's Consolidated Balance Sheets:

(in thousands)	June 30, 2021		September 30, 2020
Cash and cash equivalents	$	35,498	$	96,983
Accounts receivables, net	159,245		120,486
Inventories	209,911		144,059
Prepaid expenses and other	74,781		52,885
Property and equipment, net	31,017		23,584
Goodwill	82,309		82,309
Other intangible assets	71,886		73,543
Other long-term assets	74,629		53,513
Total assets	$	739,276	$	647,362
Accounts payable	$	169,576	$	141,147
Accrued expenses and other	39,901		34,415
Short-term debt	96,802		98,399
Long-term debt	67,828		44,144
Deferred income taxes	37,985		38,854
Other long-term liabilities	60,427		43,413
Total liabilities	$	472,519	$	400,372

    Profarma's assets can only be used to settle its obligations, and its creditors do not have recourse to the general credit of the Company.

Note 4.  Income Taxes

United Kingdom Tax Reform

The United Kingdom ("UK") government delivered a Spring Budget in March 2021 that set out a plan to provide continuing support for jobs and businesses as the UK recovers from the COVID-19 pandemic. The UK government Finance Act 2021 includes a provision to increase the corporate tax rate from 19% to 25% beginning on April 1, 2023. As a result, the Company recognized a deferred tax expense of $127.6 million to increase its deferred tax liabilities for the change in the tax rate.

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Swiss Tax Reform    

    In November 2020, the Canton of Bern approved its Budget 2021, which called for lowering its corporate income tax rate applicable to the Company’s Swiss operations effective October 1, 2020. As a result, the Company recognized a deferred tax expense to reduce its Swiss deferred tax asset for the change in tax rate.

Other Information

    The Company files income tax returns in U.S. federal and state jurisdictions as well as various foreign jurisdictions. As of June 30, 2021, the Company had unrecognized tax benefits, defined as the aggregate tax effect of differences between tax return positions and the benefits recognized in the Company’s financial statements, of $512.8 million ($464.8 million, net of federal benefit). If recognized, $446.5 million of these tax benefits would have reduced income tax expense and the effective tax rate. Included in this amount is $22.8 million of interest and penalties, which the Company records in Income Tax Expense in the Company's Consolidated Statements of Operations. In the nine months ended June 30, 2021, unrecognized tax benefits increased by $14.5 million. Over the next 12 months, it is reasonably possible that tax authority audit resolutions and the expiration of statutes of limitations could result in a reduction of unrecognized tax benefits of approximately $16.8 million.

    The Company's effective tax rates were 48.5% and 33.6% for the three and nine months ended June 30, 2021, respectively. The Company's effective tax rates were 16.5% and (70.1)% for the three and nine months ended June 30, 2020, respectively. The effective tax rates for the three and nine months ended June 30, 2021 were higher than the U.S. statutory rate primarily due to UK Tax Reform. The effective tax rate in the nine months ended June 30, 2020 was lower than the U.S. statutory rate due to the tax benefits associated with the worthless stock deduction in connection with the permanent shutdown of the PharMEDium compounding business and the Coronavirus Aid, Relief, and Economic Security Act (the provisions of which adjusted the net operating loss carryback rules and accelerated available refunds for alternative minimum tax credit carryforwards) and a higher mix of foreign earnings at lower tax rates in Switzerland and Ireland since U.S. earnings were lower principally due to the impairments of PharMEDium assets.

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Note 5.  Goodwill and Other Intangible Assets

The following is a summary of the changes in the carrying value of goodwill, by reportable segment, for the nine months ended June 30, 2021:

(in thousands)	Pharmaceutical Distribution Services		Other		Total
Goodwill as of September 30, 2020	$	4,852,775	$	1,853,944	$	6,706,719
Goodwill recognized in connection with acquisitions (see Note 2)	—		2,488,802		2,488,802
Foreign currency translation	—		(62,798)		(62,798)
Goodwill as of June 30, 2021	$	4,852,775	$	4,279,948	$	9,132,723

    The following is a summary of other intangible assets:

	June 30, 2021							September 30, 2020
(in thousands)	Weighted Average Remaining Useful Life	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Indefinite-lived trade names		$	685,470	$	—	$	685,470	$	685,312	$	—	$	685,312
Finite-lived:
Customer relationships	16 years	4,919,920		(648,733)		4,271,187		1,671,888		(565,372)		1,106,516
Trade names and other	12 years	610,507		(129,339)		481,168		210,394		(116,115)		94,279
Total other intangible assets		$	6,215,897	$	(778,072)	$	5,437,825	$	2,567,594	$	(681,487)	$	1,886,107

    Amortization expense for finite-lived intangible assets was $44.8 million and $25.8 million in the three months ended June 30, 2021 and 2020, respectively. Amortization expense for finite-lived intangible assets was $95.9 million and $85.1 million in the nine months ended June 30, 2021 and 2020, respectively. Amortization expense for finite-lived intangible assets is estimated to be $178.7 million in fiscal 2021, $330.3 million in fiscal 2022, $328.8 million in fiscal 2023, $327.1 million in fiscal 2024, $326.1 million in fiscal 2025, and $3,357.2 million thereafter.

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Note 6.  Debt

Debt consisted of the following:

(in thousands)	June 30, 2021		September 30, 2020
Revolving credit note	$	—	$	—
Term loan due in October 2020	—		399,982
Receivables securitization facility due 2022	350,000		350,000
364-day revolving credit facility	—		—
Term loan due in June 2023	499,661		—
Overdraft facility due 2024 (£10,000)	—		—
Multi-currency revolving credit facility due 2024	—		—
$1,525,000, 0.737% senior notes due 2023	1,517,263		—
$500,000, 3.400% senior notes due 2024	498,600		498,232
$500,000, 3.250% senior notes due 2025	497,499		496,990
$750,000, 3.450% senior notes due 2027	744,571		743,940
$500,000, 2.800% senior notes due 2030	494,585		494,045
$1,000,000, 2.700% senior notes due 2031	989,275		—
$500,000, 4.250% senior notes due 2045	494,892		494,730
$500,000, 4.300% senior notes due 2047	492,955		492,755
Alliance Healthcare debt	354,975		—
Nonrecourse debt	168,516		148,846
Total debt	7,102,792		4,119,520
Less AmerisourceBergen Corporation current portion	—		399,982
Less Alliance Healthcare current portion	354,975		—
Less nonrecourse current portion	100,634		101,277
Total, net of current portion	$	6,647,183	$	3,618,261

Multi-Currency Revolving Credit Facility

    The Company has a $1.4 billion multi-currency senior unsecured revolving credit facility ("Multi-Currency Revolving Credit Facility"), which is scheduled to expire in September 2024, with a syndicate of lenders. Interest on borrowings under the Multi-Currency Revolving Credit Facility accrues at specified rates based on the Company’s debt rating and ranges from 70 basis points to 112.5 basis points over CDOR/LIBOR/EURIBOR/Bankers Acceptance Stamping Fee, as applicable (101.5 basis points over CDOR/LIBOR/EURIBOR/Bankers Acceptance Stamping Fee as of June 30, 2021) and from 0 basis points to 12.5 basis points over the alternate base rate and Canadian prime rate, as applicable. The Company pays facility fees to maintain the availability under the Multi-Currency Revolving Credit Facility at specified rates based on its debt rating, ranging from 5 basis points to 12.5 basis points, annually, of the total commitment (11 basis points as of June 30, 2021). The Company may choose to repay or reduce its commitments under the Multi-Currency Revolving Credit Facility at any time. The Multi-Currency Revolving Credit Facility contains covenants, including compliance with a financial leverage ratio test, as well as others that impose limitations on, among other things, indebtedness of subsidiaries and asset sales, with which the Company was compliant as of June 30, 2021.

Commercial Paper Program

    The Company has a commercial paper program whereby it may from time to time issue short-term promissory notes in an aggregate amount of up to $1.4 billion at any one time. Amounts available under the program may be borrowed, repaid, and re-borrowed from time to time. The maturities on the notes will vary, but may not exceed 365 days from the date of issuance. The notes will bear interest, if interest bearing, or will be sold at a discount from their face amounts. The commercial paper program does not increase the Company’s borrowing capacity as it is fully backed by the Company’s Multi-Currency Revolving Credit Facility. There were no borrowings outstanding under the commercial paper program as of June 30, 2021.

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Receivables Securitization Facility

    The Company has a $1,450 million receivables securitization facility ("Receivables Securitization Facility"), which is scheduled to expire in September 2022. The Company has available to it an accordion feature whereby the commitment on the Receivables Securitization Facility may be increased by up to $250 million, subject to lender approval, for seasonal needs during the December and March quarters. Interest rates are based on prevailing market rates for short-term commercial paper or LIBOR, plus a program fee. The Company pays a customary unused fee at prevailing market rates, annually, to maintain the availability under the Receivables Securitization Facility. The Receivables Securitization Facility contains similar covenants to the Multi-Currency Revolving Credit Facility, with which the Company was compliant as of June 30, 2021.

364-Day Revolving Credit Facility

In February 2021, the Company entered into an agreement pursuant to which it obtained a $1.0 billion senior secured revolving credit facility ("364-Day Revolving Credit Facility") with a syndicate of lenders, which is scheduled to expire 364 days after June 1, 2021, the closing of the acquisition of a majority of WBA's Alliance Healthcare businesses. Interest on borrowings under the 364-Day Revolving Credit Facility accrues at specified rates based on the Company's debt rating and ranges from 83.5 basis points to 125 basis points (104.5 basis points as of June 30, 2021) over LIBOR and from 0 basis points to 25 basis points (4.5 basis points as of June 30, 2021) over the alternate base rate. The Company pays facility fees to maintain availability under the 364-Day Revolving Credit Facility at specified rates based on its debt rating, ranging from 4 basis points to 12.5 basis points (8 basis points as of June 30, 2021), annually, of the total commitment. The Company may choose to repay or reduce its commitments under the 364-Day Revolving Credit Facility at any time. The 364-Day Revolving Credit Facility contains a feature whereby the Company has the option to convert to a term loan the outstanding borrowings under this facility. The 364-Day Revolving Credit Facility contains covenants, including compliance with a financial leverage ratio test, as well as others that impose limitations on, among other things, indebtedness of subsidiaries and asset sales, with which the Company was compliant as of June 30, 2021.

Revolving Credit Note and Overdraft Facility

    The Company has an uncommitted, unsecured line of credit available to it pursuant to a revolving credit note ("Revolving Credit Note"). The Revolving Credit Note provides the Company with the ability to request short-term unsecured revolving credit loans from time to time in a principal amount not to exceed $75 million. The Revolving Credit Note may be decreased or terminated by the bank or the Company at any time without prior notice. The Company also has an uncommitted U.K. overdraft facility ("Overdraft Facility") to fund short-term normal trading cycle fluctuations related to its MWI business. In February 2021, the Company extended the Overdraft Facility to February 2024 and reduced the borrowing capacity from £30 million to £10 million.

Term Loans

The $400 million October 2018 Term Loan matured and was repaid in October 2020.

In February 2021, the Company entered into a $1.0 billion variable-rate term loan (“February 2021 Term Loan”), which was available to be drawn on the closing date of the acquisition of a majority of WBA's Alliance Healthcare businesses. In April 2021, the Company reduced its commitment under the February 2021 Term Loan to $500 million. In June 2021, the Company borrowed $500 million under the February 2021 Term Loan to finance a portion of the June 2021 Alliance Healthcare acquisition. The February 2021 Term Loan matures in June 2023. The February 2021 Term Loan bears interest at a rate equal either to a base rate plus a margin, or LIBOR, plus a margin. The margin is based on the public debt ratings of the Company and ranges from 87.5 basis points to 137.5 basis points (112.5 basis points as of June 30, 2021) over LIBOR and 0 basis points to 37.5 basis points (12.5 basis points as of June 30, 2021) over a base rate. The February 2021 Term Loan contains similar covenants to the Multi-Currency Revolving Credit Facility, with which the Company was compliant as of June 30, 2021.

Senior Notes

In March 2021, the Company issued $1,525 million of 0.737% senior notes due March 15, 2023 (the "2023 Notes"). The 2023 Notes were sold at 100.00% of the principal amount. Interest on the 2023 Notes is payable semi-annually in arrears, commencing on September 15, 2021. In March 2021, the Company issued $1,000 million of 2.700% senior notes due March 15, 2031 (the "2031 Notes"). The 2031 Notes were sold at 99.79% of the principal amount and have an effective yield of 2.706%. Interest on the 2031 Notes is payable semi-annually in arrears, commencing on September 15, 2021. The 2023 Notes and 2031 Notes rank pari passu to the Company's other senior notes, the Multi-Currency Revolving Credit Facility, the Revolving Credit Note, the Overdraft Facility, and the 364-Day Revolving Credit Facility. The Company used the proceeds from the 2023 Notes and the 2031 Notes to finance a portion of the June 2021 Alliance Healthcare acquisition.

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Alliance Healthcare Debt

Alliance Healthcare debt is comprised of uncommitted revolving credit facilities in various currencies with various rates, the majority of which is held in Egypt and Turkey. These facilities are used to fund its working capital needs.

Nonrecourse Debt

Nonrecourse debt is comprised of short-term and long-term debt belonging to the Brazil subsidiaries and is repaid solely from the Brazil subsidiaries' cash flows and such debt agreements provide that the repayment of the loans (and interest thereon) is secured solely by the capital stock, physical assets, contracts, and cash flows of the Brazil subsidiaries.

Note 7.  Stockholders’ Equity and Earnings per Share

In October 2018, the Company's board of directors authorized a share repurchase program allowing the Company to purchase up to $1.0 billion of its outstanding shares of common stock, subject to market conditions. During the nine months ended June 30, 2021, the Company purchased 0.6 million shares of its common stock for a total of $55.5 million to complete its authorization under this program.

In May 2020, the Company's board of directors authorized a share repurchase program allowing the Company to purchase up to $500 million of its outstanding shares of common stock, subject to market conditions. During the nine months ended June 30, 2021, the Company purchased 0.3 million shares of its common stock for a total of $26.6 million. As of June 30, 2021, the Company had $473.4 million of availability remaining under this program.

    Basic earnings per share is computed by dividing net income attributable to AmerisourceBergen Corporation by the weighted average number of shares of common stock outstanding during the periods presented. Diluted earnings per share is computed by dividing net income attributable to AmerisourceBergen Corporation by the weighted average number of shares of common stock outstanding, plus the dilutive effect of stock options and restricted stock units during the periods presented.

    The following illustrates the components of diluted weighted average shares outstanding for the periods indicated:

	Three months ended June 30,		Nine months ended June 30,
(in thousands)	2021	2020	2021	2020
Weighted average common shares outstanding - basic	206,156	203,654	205,255	205,017
Dilutive effect of stock options and restricted stock units	2,756	1,890	2,424	1,697
Weighted average common shares outstanding - diluted	208,912	205,544	207,679	206,714

The potentially dilutive stock options and restricted stock units that were antidilutive for the three and nine months ended June 30, 2021 were none and 0.1 million, respectively. The potentially dilutive stock options and restricted stock units that were antidilutive for the three and nine months ended June 30, 2020 were 2.5 million and 3.6 million, respectively.

Note 8. Related Party Transactions

WBA owns more than 10% of the Company’s outstanding common stock and is, therefore, considered a related party. The Company operates under various agreements and arrangements with WBA, including a pharmaceutical distribution agreement pursuant to which the Company distributes pharmaceutical products to WBA and an agreement that provides the Company the ability to access favorable economic pricing and generic products through a generic purchasing services arrangement with Walgreens Boots Alliance Development GmbH (both through 2029) as well as a distribution agreement pursuant to which it will supply branded and generic pharmaceutical products to WBA’s Boots UK Ltd. subsidiary (through 2031).

Revenue from the various agreements and arrangements with WBA was $16.4 billion and $48.9 billion in the three and nine months ended June 30, 2021, respectively. Revenue from the various agreements and arrangements with WBA was $15.2 billion and $47.0 billion in the three and nine months ended June 30, 2020, respectively. The Company’s receivable from WBA, net of incentives, was $6.7 billion and $6.6 billion as of June 30, 2021 and September 30, 2020, respectively.

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Note 9. Employee Severance, Litigation, and Other

    The following illustrates the charges incurred by the Company relating to Employee Severance, Litigation, and Other for the periods indicated:

	Three months ended June 30,				Nine months ended June 30,
(in thousands)	2021		2020		2021		2020
Employee severance	$	6,720	$	6,523	$	6,720	$	32,368
Litigation and opioid-related costs	153,225		31,369		227,275		86,850
Acquisition-related deal and integration costs	54,674		8,306		97,149		9,109
Business transformation efforts	14,654		9,443		37,738		26,937
Other restructuring costs, net	(2,309)		2,944		6,619		10,362
Total employee severance, litigation, and other	$	226,964	$	58,585	$	375,501	$	165,626

Employee severance in the three and nine months ended June 30, 2021 primarily relate to restructuring activities in the Company's Global Commercialization Services businesses. Employee severance in the nine months ended June 30, 2020 included costs primarily related to position eliminations resulting from the Company's decision to permanently exit the PharMEDium compounding business.

Litigation and opioid-related costs in the three and nine months ended June 30, 2021 and 2020 related to legal fees in connection with opioid lawsuits and investigations. The three and nine months ended June 30, 2021 also included $124.3 million and $141.4 million, respectively, of accruals primarily related to the proposed opioid settlement (see Note 10).

Acquisition-related deal and integration costs in the three and nine months ended June 30, 2021 primarily related to the June 2021 acquisition of Alliance Healthcare.

Business transformation efforts in the three and nine months ended June 30, 2021 and 2020 primarily related to costs associated with reorganizing the Company to further align the organization to its customers' needs. The majority of these costs related to services provided by third-party consultants, including certain technology initiatives.

Note 10. Legal Matters and Contingencies

In the ordinary course of its business, the Company becomes involved in lawsuits, administrative proceedings, government subpoenas, government investigations, stockholder demands, and other disputes, including antitrust, commercial, product liability, intellectual property, regulatory, employment discrimination, and other matters. Significant damages or penalties may be sought from the Company in some matters, and some matters may require years for the Company to resolve. The Company records a reserve for these matters when it is both probable that a liability has been incurred and the amount of the loss can be reasonably estimated.

For those matters for which the Company has not recognized a liability, the Company cannot predict the outcome of their impact on the Company as uncertainty remains with regard to whether such matters will proceed to trial, whether settlements will be reached, and the amount and terms of any such settlements. Outcomes may include settlements in significant amounts that are not currently estimable, limitations on the Company's conduct, the imposition of corporate integrity agreement obligations, consent decrees, and/or other civil and criminal penalties. From time to time, the Company is also involved in disputes with its customers, which the Company generally seeks to resolve through commercial negotiations. If negotiations are unsuccessful, the parties may litigate the dispute or otherwise attempt to settle the matter.

With respect to the specific legal proceedings and claims described below, unless otherwise noted, the amount or range of possible losses is not reasonably estimable. There can be no assurance that the settlement, resolution, or other outcome of one or more matters, including the matters set forth below, during any subsequent reporting period will not have a material adverse effect on the Company's results of operations or cash flows for that period or on the Company's financial condition.

Opioid Lawsuits and Investigations

A significant number of counties, municipalities, and other governmental entities in a majority of U.S. states and Puerto Rico, as well as numerous states and tribes, have filed lawsuits in various federal, state and other courts against pharmaceutical wholesale distributors (including the Company and certain subsidiaries, such as AmerisourceBergen Drug Corporation ("ABDC") and H.D. Smith), pharmaceutical manufacturers, retail pharmacy chains, medical practices, and physicians relating to the distribution of prescription opioid pain medications. Other lawsuits regarding the distribution of

17

prescription opioid pain medications have been filed by: third-party payors and similar entities; hospitals; hospital groups; and individuals, including cases styled as putative class actions. The lawsuits, which have been and continue to be filed in federal, state, and other courts, generally allege violations of controlled substance laws and various other statutes as well as common law claims, including negligence, public nuisance, and unjust enrichment, and seek equitable relief and monetary damages. An initial group of cases was consolidated for Multidistrict Litigation ("MDL") proceedings before the United States District Court for the Northern District of Ohio (the "Court") in December 2017. Additional cases have been, and will likely continue to be, transferred to the MDL. Further, in June 2018, the Court granted a motion permitting the United States, through the Department of Justice ("DOJ"), to participate in settlement discussions and as a friend of the Court by providing information to facilitate non-monetary remedies.

In April 2018, the Court issued an order creating a litigation track, which includes dispositive motion practice, discovery, and trials in certain bellwether jurisdictions. In December 2018, the Court issued an order selecting two cases for a second bellwether discovery and trial track. In November 2019 and January 2020, the Court filed Suggestions of Remand with the Judicial Panel on Multidistrict Litigation that identified four cases filed against the Company, including the two cases in the second bellwether trial track, for potential transfer from the MDL back to federal courts in California, Oklahoma, and West Virginia for the completion of discovery, motion practice, and trial. All four cases have now been remanded to those federal district courts. The two consolidated cases in West Virginia commenced trial on May 3, 2021. The Oklahoma case, in which the plaintiff is the Cherokee Nation, is scheduled for trial in September 2022. On January 26, 2021, the California case was stayed as to the Company and several other defendants. As such, there is no applicable trial date for that case.

On July 21, 2021, the Company announced that it and the two other national pharmaceutical distributors have negotiated a comprehensive proposed settlement agreement that, if all conditions are satisfied, would result in the resolution of a substantial majority of opioid lawsuits filed by state and local governmental entities. The proposed settlement agreement and settlement process is subject to conditions and will not become effective unless and until the Company and the two other distributors each make separate independent determinations that (1) following a 30-day sign-on period, a sufficient number of “States” (including the District of Columbia and U.S. territories) have agreed to the proposed settlement agreement (the “Settling States”); and, subsequently, (2) following a 120-day sign-on period, a sufficient number of political subdivisions in the Settling States, including those that have not sued, have agreed to the proposed settlement agreement (or otherwise had their claims foreclosed). If these conditions are satisfied, a final settlement agreement based upon the terms contained in the proposed settlement agreement would become effective sixty (60) days after the distributors determine that there is sufficient participation by political subdivisions in the Settling States. The proposed settlement agreement provides for a settlement of up to approximately $21 billion, of which the Company's portion would be 31.0%. Pursuant to the proposed settlement agreement, the Company would pay up to approximately $6.4 billion over 18 years and comply with other requirements, including establishment of a clearinghouse that will consolidate data from all three national distributors. The exact payment amount will depend on several factors, including the participation rate of states and political subdivisions, the extent to which states take action to foreclose opioid lawsuits by political subdivisions (e.g., laws barring opioid lawsuits by political subdivisions), and the extent to which political subdivisions in Settling States file additional opioid lawsuits against the distributors after a settlement agreement becomes effective. West Virginia subdivisions and Native American tribes are not a part of this settlement process and the Company has been involved in separate negotiations with these groups. The settlement process does not contemplate participation by any non-governmental or non-political entities or individuals.

While the proposed settlement agreement remains subject to contingencies that could impact whether the parties ultimately decide to move forward, the Company believes a comprehensive settlement is probable and its loss related thereto can be reasonably estimated. The Company recorded a charge of $6.6 billion in the fourth quarter of the fiscal year ended September 30, 2020 within Employee Severance, Litigation and Other in its Statement of Operations related to the settlement as well as other opioid-related litigation. The Company recorded an additional $124.3 million and $141.4 million accrual in the three and nine months ended June 30, 2021, respectively, in connection with negotiation of the proposed settlement agreement and related obligations and other opioid-related litigation. The Company currently estimates that $477.0 million will be paid prior to June 30, 2022, which is recorded in Accrued Expenses and Other on the Company’s Consolidated Balance Sheet and that $443.0 million of the total $477.0 million short-term liability will be paid into escrow on or prior to September 30, 2021. The escrow payment related to the proposed settlement agreement will be disbursed following the effective date of the settlement, or returned to the Company if the settlement does not become effective. The remaining long-term liability of $6.3 billion is recorded in Accrued Litigation Liability on the Company's Consolidated Balance Sheet. While the Company has accrued its estimated liability for this matter, it is unable to estimate the range of possible loss associated with these opioid litigation matters. Because loss contingencies are inherently unpredictable and unfavorable developments or resolutions can occur, the assessment is highly subjective and requires judgments about future events. The Company will regularly review these opioid litigation matters to determine whether its accrual is adequate. The amount of ultimate loss may differ materially from the $6.7 billion accrual. Until such time as all of the conditions to finalize the proposed settlement agreement are satisfied or the parties otherwise resolve the lawsuits, the Company will continue to litigate and prepare for trial in the cases pending in the MDL, those remanded from the MDL to federal district courts, as well as in state courts where lawsuits have been filed, and intends to continue to vigorously defend itself in all such cases. Since these matters are still developing, the Company is unable to predict the outcome, but the result of these lawsuits could include excessive monetary verdicts and/or injunctive relief that

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may affect the Company's operations. Further, any final settlement among parties may differ materially from the proposed settlement agreement.

Notwithstanding the Company's total liability accrual of $6.7 billion, several cases filed in various state courts have trial dates scheduled in 2021 and later, although all such dates are subject to change. A trial in New York state for cases brought by Nassau and Suffolk Counties and the New York Attorney General against a variety of defendants, including the Company, which is not part of the MDL, commenced on June 28, 2021. On July 20, 2021, the Company and the two other distributors announced that they had reached an agreement to pay up to $1.179 billion in a settlement with the State of New York and participating subdivisions, including Nassau and Suffolk Counties, to resolve opioid-related claims, consistent with New York’s allocations under the proposed settlement agreement, as well as certain attorneys’ fees and costs. The Company's 31.0% share of the $1.179 billion settlement amount is a component of its overall $6.7 billion total liability accrual and a portion will be paid into escrow by September 30, 2021 and disbursed upon satisfaction of certain conditions including entry of a Consent Judgment. This escrow amount is also a component of the aforementioned $443.0 million payment to escrow. Under the settlement, claims in the New York state trial will be dismissed with prejudice as to the Company and the two other distributor defendants.

A trial in Washington state court for a case brought by the Washington Attorney General against ABDC and certain other pharmaceutical wholesale distributors is scheduled to begin on September 7, 2021. A trial in Ohio state court for a case brought by the Ohio Attorney General against ABDC and certain other pharmaceutical wholesale distributors is scheduled to begin on September 20, 2021.

Aside from those parties that have already filed suit, other entities, including additional attorneys general’s offices, counties, and cities in multiple states, may continue to file additional lawsuits or enforcement proceedings. The Company is vigorously defending itself in the pending lawsuits and intends to vigorously defend itself against any threatened lawsuits or enforcement proceedings.

The Company has also received subpoenas, civil investigative demands, and other requests for information, requesting the production of documents regarding the distribution of prescription opioid pain medications from government agencies in other jurisdictions, including certain states. The Company has engaged in discussions with representatives from these government agencies regarding the requests and has been producing responsive documents. The Company cannot predict how these matters would be affected by a comprehensive nationwide settlement.

Since July 2017, the Company has received subpoenas from several U.S. Attorney's Offices, including grand jury subpoenas from the U.S. Attorney's Office for the District of New Jersey ("USAO-NJ") and the U.S. Attorney's Office for the Eastern District of New York ("USAO-EDNY"). Those subpoenas request the production of a broad range of documents pertaining to the Company's distribution of controlled substances through its various subsidiaries, including ABDC, and its diversion control programs. The Company has been engaged in discussions with the various U.S. Attorney’s Offices, including the Health Care and Government Fraud Unit of the Criminal Division of the USAO-NJ, and has been producing documents in response to the subpoenas.

Subpoenas, Ongoing Investigations, and Other Contingencies

From time to time, the Company receives subpoenas or requests for information from various government agencies relating to the Company's business or to the business of a customer, supplier, or other industry participant. The Company's responses often require time and effort and can result in considerable costs being incurred. Most of these matters are resolved without incident; however, such subpoenas or requests can lead to the assertion of claims or the commencement of civil or criminal legal proceedings against the Company and other members of the healthcare industry, as well as to substantial settlements.

In January 2017, the Company's subsidiary U.S. Bioservices Corporation ("U.S. Bio") received a subpoena for information from the USAO-EDNY relating to its activities in connection with billing for products and making returns of potential overpayments to government payers. A filed qui tam complaint related to the investigation was unsealed in April 2019 and the relator filed an amended complaint under seal in the U.S. District Court for the Eastern District of New York. In December 2019, the government filed a notice that it was declining to intervene. The court ordered that the relator's complaint against the Company, including subsidiaries AmerisourceBergen Specialty Group, LLC and U.S. Bio, be unsealed. The relator’s complaint alleged violations of the federal False Claims Act and the false claims acts of various states. The relator filed a second amended complaint, removing one state false claims act count. The Company filed a motion to dismiss the second amended complaint and all briefing on the motion was filed with the court on October 9, 2020.

On October 11, 2019, Teamsters Local 443 Health Services & Insurance Plan, St. Paul Electrical Construction Pension Plan, St. Paul Electrical Construction Workers Supplemental Pension Plan (2014 Restatement), Retirement Medical Funding Plan for the St. Paul Electrical Workers, and San Antonio Fire & Police Pension Fund filed a complaint for a purported

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derivative action in the Delaware Court of Chancery against the Company and certain of its current and former officers and directors (collectively, "Defendants"). The complaint alleges that the Defendants breached their fiduciary duties by failing to oversee the compliance by certain of the Company's subsidiaries (including the Company's former subsidiary Medical Initiatives, Inc. ("MII")) with federal regulations, allegedly resulting in the payment of fines and penalties in connection with the settlements with the USAO-EDNY in fiscal 2017 and 2018 that resolved claims arising from MII's pre-filled syringe program. In December 2019, Defendants filed a motion to dismiss the complaint. After briefing and oral argument, on August 24, 2020 the Delaware Court of Chancery denied Defendants' motion to dismiss. On September 24, 2020, the Board of Directors of the Company established a Special Litigation Committee to conduct an investigation concerning the plaintiffs’ allegations. On October 28, 2020, the Special Litigation Committee filed a motion to stay the litigation pending completion of its investigation. On November 10, 2020, the Delaware Court of Chancery granted the Special Litigation Committee’s motion to stay the litigation until May 9, 2021. On May 7, 2021, the Delaware Court of Chancery extended the stay through May 28, 2021. On May 22, 2021, the Special Litigation Committee and Company filed a Joint Motion for Entry of Order Under Delaware Rule of Evidence 510(f) and Permitting Confidential Filing (“Rule 510(f) Motion”). On May 25, 2021, the parties filed a Stipulation and Proposed Order Regarding Further Extension of the Stay and Briefing of Rule 510(f) Motion, in which the parties agreed that the Special Litigation Committee’s deadline to file its report would be extended until three business days after the Court rules on the Special Litigation Committee’s and Company’s Rule 510(f) Motion. The Court granted the parties’ stipulation and proposed order on May 26, 2021. The Plaintiffs opposed the Rule 510(f) Motion on May 28, 2021. On June 2, 2021, the Special Litigation Committee and Company filed a reply in support of the Rule 510(f) Motion, which remains pending.

On July 17, 2020, CCAR Investments, Inc. filed a complaint for a purported derivative action in the United States District Court for the District of Delaware against the Company and certain of its current and former officers and directors (“CCAR Defendants”). The complaint alleges claims for breach of fiduciary duty, corporate waste and unjust enrichment allegedly arising from the Company’s controlled substance diversion control programs and violation of Section 14(a) of the Securities Exchange Act of 1934. On August 14, 2020, the CCAR Defendants answered the complaint and filed a motion for judgment on the pleadings. On October 29, 2020 the parties filed a stipulation permitting CCAR Investments, Inc. to file an amended complaint on or before November 20, 2020. On December 4, 2020, the parties filed a stipulation staying the deadline for CCAR Investments, Inc. to file an amended complaint pending the Company’s production of certain documents to CCAR Investments, Inc. The Company’s production was completed on January 29, 2021 and the case remains stayed while the plaintiff completes its review.

In December 2019, Reliable Pharmacy, together with other retail pharmacies and North Sunflower Medical Center, filed a civil antitrust complaint against multiple generic drug manufacturers, and also included claims against the Company, H.D. Smith, and other drug distributors and industry participants. The case is filed as a putative class action and plaintiffs purport to represent a class of drug purchasers including other retail pharmacies and healthcare providers. The case has been consolidated for multidistrict litigation proceedings before the United States District Court for the Eastern District of Pennsylvania. The complaint alleges that the Company and others in the industry participated in a conspiracy to fix prices, allocate markets and rig bids regarding generic drugs. In March 2020, the plaintiffs filed a further amended complaint. On July 15, 2020, the Company and other industry participants filed a motion to dismiss the complaint. The motion to dismiss is fully briefed and the parties are awaiting a ruling from the court.

Note 11.  Litigation Settlements

Antitrust Settlements

Numerous lawsuits have been filed against certain brand pharmaceutical manufacturers alleging that the manufacturer, by itself or in concert with others, took improper actions to delay or prevent generic drugs from entering the market. These lawsuits are generally brought as class actions. The Company is not typically named as a plaintiff in these lawsuits, but has been a member of the direct purchasers' class (i.e., those purchasers who purchase directly from these pharmaceutical manufacturers). None of the lawsuits have gone to trial, but some have settled in the past with the Company receiving proceeds from the settlement funds. The Company recognized gains of $147.4 million during the three and nine months ended June 30, 2021. The Company recognized gains of $8.5 million during the nine months ended June 30, 2020, related to these lawsuits. These gains, which are net of attorney fees and estimated payments due to other parties, were recorded as reductions to cost of goods sold in the Company’s Consolidated Statements of Operations.

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Note 12.  Fair Value of Financial Instruments

The recorded amounts of the Company's cash and cash equivalents, accounts receivable, and accounts payable as of June 30, 2021 and September 30, 2020 approximate fair value based upon the relatively short-term nature of these financial instruments. Within Cash and Cash Equivalents, the Company had $644.0 million of investments in money market accounts as of June 30, 2021 and had $2,548.0 million of investments in money market accounts as of September 30, 2020. The fair value of the money market accounts was determined based upon unadjusted quoted prices in active markets for identical assets, otherwise known as Level 1 inputs.

The recorded amount of long-term debt (see Note 6) and the corresponding fair value as of June 30, 2021 were $6,647.2 million and $7,008.3 million, respectively. The recorded amount of long-term debt and the corresponding fair value as of September 30, 2020 were $3,618.3 million and $4,026.4 million, respectively. The fair value of long-term debt was determined based upon inputs other than quoted prices, otherwise known as Level 2 inputs.

Note 13.  Business Segment Information

    The Company is organized based upon the products and services it provides to its customers. The Company's operations are comprised of the Pharmaceutical Distribution Services reportable segment and other operating segments that are not significant enough to require separate reportable segment disclosure and, therefore, have been included in Other for the purpose of reportable segment presentation. Other consists of operating segments that focus on global commercialization services, animal health (MWI Animal Health), and international pharmaceutical wholesale and related service operations (Alliance Healthcare). The operating segments that focus on global commercialization services include AmerisourceBergen Consulting Services and World Courier.

The following illustrates reportable and operating segment disaggregated revenue as required by Accounting Standards Codification 606 for the periods indicated:

	Three months ended June 30,				Nine months ended June 30,
(in thousands)	2021		2020		2021		2020
Pharmaceutical Distribution Services	$	49,312,013	$	43,579,119	$	146,905,854	$	135,178,617
Other:
MWI Animal Health	1,193,530		1,008,581		3,442,494		3,079,915
Alliance Healthcare	1,924,858		—		1,924,858		—
Global Commercialization Services	1,009,878		801,952		2,905,960		2,454,195
Total Other	4,128,266		1,810,533		8,273,312		5,534,110
Intersegment eliminations	(34,584)		(22,875)		(102,744)		(63,569)
Revenue	$	53,405,695	$	45,366,777	$	155,076,422	$	140,649,158

Intersegment eliminations primarily represent the elimination of certain Pharmaceutical Distribution Services reportable segment sales to MWI Animal Health.

The following illustrates reportable segment operating income for the periods indicated:

	Three months ended June 30,				Nine months ended June 30,
(in thousands)	2021		2020		2021		2020
Pharmaceutical Distribution Services	$	483,914	$	426,643	$	1,569,014	$	1,381,434
Other	146,869		82,875		391,696		295,614
Intersegment eliminations	(162)		(1,996)		(6,615)		(2,575)
Total segment operating income	$	630,621	$	507,522	$	1,954,095	$	1,674,473

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The following reconciles total segment operating income to income before income taxes for the periods indicated:

	Three months ended June 30,				Nine months ended June 30,
(in thousands)	2021		2020		2021		2020
Total segment operating income	$	630,621	$	507,522	$	1,954,095	$	1,674,473
Gains from antitrust litigation settlements	147,432		—		147,432		8,546
LIFO credit (expense)	113,920		(6,061)		160,565		(43,195)
PharMEDium remediation costs	—		—		—		(16,165)
PharMEDium shutdown costs	—		(12,936)		—		(45,406)
Contingent consideration adjustment	—		—		—		12,153
Acquisition-related intangibles amortization	(44,282)		(25,109)		(94,289)		(85,345)
Employee severance, litigation, and other	(226,964)		(58,585)		(375,501)		(165,626)
Impairment of PharMEDium assets	—		—		—		(361,652)
Operating income	620,727		404,831		1,792,302		977,783
Other (income) loss, net	(4,141)		1,073		4,901		2,806
Interest expense, net	51,338		37,748		119,478		103,176
Loss on early retirement of debt	—		22,175		—		22,175
Income before income taxes	$	573,530	$	343,835	$	1,667,923	$	849,626

Segment operating income is evaluated by the chief operating decision maker ("CODM") of the Company before gains from antitrust litigation settlements; LIFO credit (expense); PharMEDium remediation costs; PharMEDium shutdown costs; contingent consideration adjustment; acquisition-related intangibles amortization; employee severance, litigation, and other; and impairment of PharMEDium assets. All corporate office expenses are allocated to the operating segment level.

The Company incurred remediation costs in connection with the suspended production activities at PharMEDium in the nine months ended June 30, 2020. These remediation costs are primarily classified in Cost of Goods Sold in the Consolidated Statements of Operations. The Company incurred costs in connection with exiting the PharMEDium compounding business in the three and nine months ended June 30, 2020. These shutdown costs are primarily classified in Distribution, Selling, and Administrative expenses in the Consolidated Statements of Operations.

One of the Company's non-wholly-owned subsidiaries, Profarma, which the Company consolidates based on certain governance rights (see Note 3), adjusted its previous estimate of contingent consideration related to the purchase price of one of its prior business acquisitions in the nine months ended June 30, 2020.

The Company recorded foreign currency income of $6.2 million in the three months ended June 30, 2021 and a foreign currency loss of $1.1 million in the nine months ended June 30, 2021 on the remeasurement of deferred tax assets relating to Swiss tax reform in Other (Income) Loss, Net in the Consolidated Statements of Operations.

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ITEM 2.   Management’s Discussion and Analysis of Financial Condition and Results of Operations

Overview

The following discussion should be read in conjunction with the Consolidated Financial Statements and notes thereto contained herein and in conjunction with the financial statements and related notes included in our Annual Report on Form 10-K for the fiscal year ended September 30, 2020.

We are one of the largest global pharmaceutical sourcing and distribution services companies, helping both healthcare providers and pharmaceutical and biotech manufacturers improve patient access to products and enhance patient care. We deliver innovative programs and services designed to increase the effectiveness and efficiency of the pharmaceutical supply chain in both human and animal health. We are organized based upon the products and services we provide to our customers. Our operations are comprised of the Pharmaceutical Distribution Services reportable segment and other operating segments that are not significant enough to require separate reportable segment disclosure, and, therefore, have been included in Other for the purpose of our reportable segment presentation.

Pharmaceutical Distribution Services Segment

The Pharmaceutical Distribution Services reportable segment distributes a comprehensive offering of brand-name, specialty brand-name and generic pharmaceuticals, over-the-counter healthcare products, home healthcare supplies and equipment, and related services to a wide variety of healthcare providers, including acute care hospitals and health systems, independent and chain retail pharmacies, mail order pharmacies, medical clinics, long-term care and alternate site pharmacies, and other customers. Through a number of operating businesses, the Pharmaceutical Distribution Services reportable segment provides pharmaceutical distribution (including plasma and other blood products, injectable pharmaceuticals, vaccines, and other specialty pharmaceutical products) and additional services to physicians who specialize in a variety of disease states, especially oncology, and to other healthcare providers, including hospitals and dialysis clinics. Additionally, the Pharmaceutical Distribution Services reportable segment provides data analytics, outcomes research, and additional services for biotechnology and pharmaceutical manufacturers. The Pharmaceutical Distribution Services reportable segment also provides pharmacy management, staffing and additional consulting services, and supply management software to a variety of retail and institutional healthcare providers. Additionally, it delivers packaging solutions to institutional and retail healthcare providers.

Other

Other consists of operating segments that focus on global commercialization services, animal health (MWI Animal Health or "MWI"), and international pharmaceutical wholesale and related service operations (Alliance Healthcare). The operating segments that focus on global commercialization services include AmerisourceBergen Consulting Services ("ABCS") and World Courier.

Alliance Healthcare supplies pharmaceuticals, other healthcare products, and related services to healthcare providers, including pharmacies, doctors, health centers and hospitals in 10 countries, primarily in Europe. MWI is a leading animal health distribution company in the United States and in the United Kingdom. MWI sells pharmaceuticals, vaccines, parasiticides, diagnostics, micro feed ingredients, and various other products to customers in both the companion animal and production animal markets. Additionally, MWI offers demand-creating sales force services to manufacturers. ABCS, through a number of operating businesses, provides a full suite of integrated manufacturer services that range from clinical trial support to product post-approval and commercialization support. World Courier, which operates in over 50 countries, is a leading global specialty transportation and logistics provider for the biopharmaceutical industry.

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Recent Developments

Alliance Healthcare Acquisition

On June 1, 2021, we acquired a majority of Walgreens Boots Alliance, Inc.'s ("WBA") Alliance Healthcare businesses ("Alliance Healthcare") for $6,602.0 million in cash, subject to certain purchase price adjustments, $229.1 million of our common stock (2 million shares at the Company's June 1, 2021 opening stock price of $114.54 per share), $118.2 million of estimated accrued consideration, and $6.1 million of other equity consideration (the "Transaction") The net cash payment was $5,536.7 million, as we acquired $922.0 million of cash and cash equivalents and $143.3 million of restricted cash. (see Note 2 of the Notes to Consolidated Financial Statements for the preliminary allocation of the purchase price). The shares issued were from our treasury stock on a first-in, first-out basis and were originally purchased for $149.1 million. WBA’s operations in China, Italy, and Germany were not part of this Transaction. We funded the cash purchase price through a combination of cash on hand and new debt financing (see Note 6 of the Notes to Consolidated Financial Statements). The acquisition expands our reach and solutions in pharmaceutical distribution and adds to our depth and breadth of global manufacturer services.

Other Strategic Transactions with Walgreens

In addition, we agreed to a three-year extension of our existing pharmaceutical distribution agreement with WBA and the arrangement pursuant to which we have access to generic drugs and related pharmaceutical products through Walgreens Boots Alliance Development GmbH (both through 2029), as well as a distribution agreement pursuant to which we will supply branded and generic pharmaceutical products to WBA’s Boots UK Ltd. subsidiary (through 2031). In January 2021, we also entered into an agreement with WBA to explore a series of strategic initiatives designed to create incremental growth and efficiencies in sourcing, logistics, and distribution.

See Part II. Other Information-Item 1A. Risk Factors on page 38 of this Quarterly Report on Form 10-Q for additional risk factors related to our strategic transactions with WBA.

Opioid Litigation

On July 21, 2021, it was announced that we and the two other national pharmaceutical distributors have negotiated a comprehensive proposed settlement agreement that, if all conditions are satisfied, would result in the resolution of a substantial majority of opioid lawsuits filed by state and local governmental entities (see Note 10 of the Notes to Consolidated Financial Statements).

Executive Summary

    This executive summary provides highlights from the results of operations that follow:

•Revenue increased by 17.7% and 10.3% from the prior year quarter and nine-month period, respectively, primarily due to the revenue growth in our Pharmaceutical Distribution Services segment and our June 2021 acquisition of Alliance Healthcare. The Pharmaceutical Distribution Services segment grew its revenue 13.2% and 8.7% from the prior year quarter and nine-month period, respectively, primarily due to increased sales of specialty products (which generally have higher selling prices), including COVID-19 treatments and overall market growth principally driven by unit volume growth. In addition, due to the onset of COVID-19 in March 2020, many of our customers increased their purchases in the fiscal quarter ended March 31, 2020, which resulted in fewer purchases in the quarter ended June 30, 2020. Revenue in Other increased 128.0% and 49.5% from the prior year quarter and nine-month period, respectively, primarily due to the June 2021 acquisition of Alliance Healthcare;

•Total gross profit increased 54.0%, from the prior year quarter and 26.8%, from the prior nine-month period. Gross profit was favorably impacted by increases of gross profit in Pharmaceutical Distribution Services of 16.2% from the prior year quarter and 12.7% from the prior year nine-month period, increases in gross profit in Other of 74.7% from the prior year quarter and 30.4% from the prior year nine-month period, respectively, last-in, first-out ("LIFO") credits in the current year periods in comparison to a LIFO expense in the prior year periods, and increases in gains from antitrust litigation settlements Pharmaceutical Distribution Services' gross profit increased from the prior year periods primarily due to revenue growth, including an increase in specialty product sales. Gross profit in Other increased from the prior year quarter and nine-month period primarily due to the June 2021 acquisition of Alliance Healthcare and revenue growth at World Courier and MWI;

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•Distribution, selling, and administrative expenses increased 37.0% compared to the prior year quarter and 16.2% compared to the prior nine-month period primarily due to the June 2021 acquisition of Alliance Healthcare and increases in payroll-related operating costs to support current and future revenue growth. Total operating expenses increased by 54.4%, from the prior year quarter and 7.5%, from the prior year nine-month period primarily due to the June 2021 acquisition of Alliance Healthcare, an increase in legal accruals primarily related to our proposed opioid settlement, and an increase in acquisition-related deal and integration costs;

•Operating income increased by 53.3%, from the prior year quarter and 83.3%, from the prior year nine-month period due to the increases in total gross profit and offset in part by increases in total operating expenses; and

•Our effective tax rates were 48.5% and 33.6% for the three and nine months ended June 30, 2021, respectively. The effective tax rates for the three and nine months ended June 30, 2021 were higher than the U.S. statutory rate primarily due to U.K. Tax Reform (see Note 4 of the Notes to Consolidated Financial Statements).

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Results of Operations

Revenue

	Three months ended June 30,					Nine months ended June 30,
(dollars in thousands)	2021		2020		Change	2021		2020		Change
Pharmaceutical Distribution Services	$	49,312,013	$	43,579,119	13.2%	$	146,905,854	$	135,178,617	8.7%
Other:
MWI Animal Health	1,193,530		1,008,581		18.3%	3,442,494		3,079,915		11.8%
Alliance Healthcare	1,924,858		—			1,924,858		—
Global Commercialization Services	1,009,878		801,952		25.9%	2,905,960		2,454,195		18.4%
Total Other	4,128,266		1,810,533		128.0%	8,273,312		5,534,110		49.5%
Intersegment eliminations	(34,584)		(22,875)			(102,744)		(63,569)
Revenue	$	53,405,695	$	45,366,777	17.7%	$	155,076,422	$	140,649,158	10.3%

We now expect our revenue growth percentage to be in the low-double digits in fiscal 2021 due to the addition of Alliance Healthcare in June 2021. Our future revenue growth will continue to be affected by various factors, such as industry growth trends, including drug utilization, the introduction of new, innovative brand therapies, the likely increase in the number of generic drugs and biosimilars that will be available over the next few years as a result of the expiration of certain drug patents held by brand-name pharmaceutical manufacturers and the rate of conversion from brand products to those generic drugs and biosimilars, price inflation and price deflation, general economic conditions in the United States, competition within the industry, customer consolidation, changes in pharmaceutical manufacturer pricing and distribution policies and practices, increased downward pressure on government and other third-party reimbursement rates to our customers, changes in government rules and regulations, and the impact of the COVID-19 pandemic.

Revenue increased by 17.7% and 10.3% from the prior year quarter and nine-month period, respectively, primarily due to the revenue growth in our Pharmaceutical Distribution Services segment and our June 2021 acquisition of Alliance Healthcare.

The Pharmaceutical Distribution Services segment grew its revenue by 13.2%, or $5.7 billion, from the prior year quarter and 8.7%, or $11.7 billion, from the prior year nine-month period primarily due to increased sales of specialty products (which generally have higher selling prices), including COVID-19 treatments and overall market growth principally driven by unit volume growth. In addition, due to the onset of COVID-19 in March 2020, many of our customers increased their purchases in the fiscal quarter ended March 31, 2020, which resulted in fewer purchases in the quarter ended June 30, 2020.

More specifically, the increase in the Pharmaceutical Distribution Services segment revenue was largely attributable to the following (in billions):

	Three-month Period	Nine-month Period
Increased sales to Walgreens, our largest customer	$1.1	$1.7
Increased sales to specialty physician practices	$0.9	$1.8
Increased sales to other customers, including COVID-19 treatments	$3.7	$8.2

Revenue in Other increased 128.0%, or $2.3 billion, from the prior year quarter and 49.5%, or $2.7 billion, from the prior year nine-month period primarily due to the June 2021 acquisition of Alliance Healthcare and due to growth in the other operating segments: MWI, ABCS, and World Courier.

A number of our contracts with customers, including group purchasing organizations, are typically subject to expiration each year. We may lose a significant customer if an existing contract with such customer expires without being extended, renewed, or replaced. During the nine months ended June 30, 2021, no significant contracts expired. Over the next twelve months, there are no significant contracts scheduled to expire. Additionally, from time to time, significant contracts may be terminated in accordance with their terms or extended, renewed, or replaced prior to their expiration dates. If those contracts are extended, renewed, or replaced at less favorable terms, they may also negatively impact our revenue, results of operations, and cash flows.

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Gross Profit

	Three months ended June 30,					Nine months ended June 30,
(dollars in thousands)	2021		2020		Change	2021		2020		Change
Pharmaceutical Distribution Services	$	1,053,776	$	906,663	16.2%	$	3,218,142	$	2,856,715	12.7%
Other	574,794		328,942		74.7%	1,355,849		1,039,502		30.4%
Intersegment eliminations	(1,716)		(3,396)			(8,171)		(3,975)
Gains from antitrust litigation settlements	147,432		—			147,432		8,546
LIFO credit (expense)	113,920		(6,061)			160,565		(43,195)
PharMEDium remediation costs	—		—			—		(7,135)
PharMEDium shutdown costs	—		(432)			—		(5,421)
Gross profit	$	1,888,206	$	1,225,716	54.0%	$	4,873,817	$	3,845,037	26.8%

    Gross profit increased 54.0%, or $662.5 million, from the prior year quarter and 26.8%, or $1,028.8 million, from the prior year nine-month period. Gross profit in the current year periods was favorably impacted by increases in gross profit in Pharmaceutical Distribution Services and Other, a LIFO credit in the current year periods in comparison to a LIFO expense in the prior year periods, and increases in gains from antitrust litigation settlements.

Pharmaceutical Distribution Services' gross profit increased 16.2%, or $147.1 million, from the prior year quarter and 12.7%, or $361.4 million, from the prior year nine-month period primarily due to revenue growth, including an increase in specialty product sales. As a percentage of revenue, Pharmaceutical Distribution Services' gross profit margin was 2.14% and 2.19% in the current year quarter and nine-month period, respectively, a 6-basis point increase from the prior year quarter and an 8-basis point increase from the prior year nine-month period primarily due to increases in specialty product sales.

Gross profit in Other increased 74.7%, or $245.9 million from the prior year quarter and 30.4%, or $316.3 million, from the prior year nine-month period primarily due to the June 2021 acquisition of Alliance Healthcare and revenue growth at World Courier and MWI. As a percentage of revenue, gross profit margin in Other of 13.92% in the current year quarter decreased from 18.17% in the prior year quarter. As a percentage of revenue, gross profit margin in Other of 16.39% in the current year nine-month period decreased from 18.78% in the prior year nine-month period. The declines in gross profit margins in the current year periods were primarily due to the June 2021 acquisition of Alliance Healthcare, which has lower gross profit margins than the other operating segments within Other.

We recognized gains from antitrust litigation settlements with pharmaceutical manufacturers of $147.4 million in the three and nine months ended June 30, 2021. We recognized gains from antitrust litigation settlements with pharmaceutical manufacturers of $8.5 million in the nine months ended June 30, 2020. The gains were recorded as reductions to Cost of Goods Sold (see Note 11 of the Notes to Consolidated Financial Statements).

Our cost of goods sold for interim periods includes a LIFO provision that is recorded ratably on a quarterly basis and is based on our estimated annual LIFO provision. The annual LIFO provision, which we estimate on a quarterly basis, is affected by manufacturer pricing practices, which may be impacted by market and other external influences, expected changes in inventory quantities, and product mix, many of which are difficult to predict. Changes to any of the above factors may have a material impact to our annual LIFO provision. The LIFO credit in the three and nine months ended June 30, 2021 is largely being driven by an increase in generic pharmaceutical deflation.

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Operating Expenses

	Three months ended June 30,					Nine months ended June 30,
(dollars in thousands)	2021		2020		Change	2021		2020		Change
Distribution, selling, and administrative	$	913,414	$	666,885	37.0%	$	2,378,563	$	2,046,251	16.2%
Depreciation and amortization	127,101		95,415		33.2%	327,451		293,725		11.5%
Employee severance, litigation, and other	226,964		58,585			375,501		165,626
Impairment of PharMEDium assets	—		—			—		361,652
Total operating expenses	$	1,267,479	$	820,885	54.4%	$	3,081,515	$	2,867,254	7.5%

Distribution, selling, and administrative expenses increased 37.0%, or $246.5 million, compared to the prior year quarter and 16.2%, or $332.3 million, compared to the prior year nine-month period primarily due to the June 2021 acquisition of Alliance Healthcare and increases in payroll-related operating costs to support current and future revenue growth. As a percentage of revenue, distribution, selling, and administrative expenses were 1.71% and 1.53% in the current year quarter and nine-month period, respectively, a 24-basis point increase compared to prior year quarter and an 8-basis point increase compared to the prior year nine-month period. The increases in distribution, selling, and administrative expenses as a percentage of revenue were primarily due to the June 2021 acquisition of Alliance Healthcare.

Depreciation expense increased 18.3% and 11.0% from the prior year quarter and nine-month period, respectively, primarily due to an increase in capital projects being depreciated and depreciation of property and equipment originating from the June 2021 acquisition of Alliance Healthcare. Amortization expense increased 73.4% compared to the prior year quarter and increased 12.7% from the prior year nine-month period primarily due to amortization of intangible assets originating from the June 2021 acquisition of Alliance Healthcare. The current year nine-month period increase in amortization expense from the Alliance Healthcare acquisition was offset in part by the fiscal 2020 impairments of PharMEDium intangible assets.

Employee severance, litigation, and other in the three months ended June 30, 2021 included $28.9 million of litigation costs related to legal fees in connection with opioid lawsuits and investigations, a $124.3 million accrual related to our proposed opioid settlement, $54.7 million of acquisition-related deal and integration costs primarily related to the June 2021 acquisition Alliance Healthcare, $14.7 million related to our business transformation efforts, and $4.4 million of severance and other restructuring initiatives. Employee severance, litigation, and other in the three months ended June 30, 2020 included $31.4 million of litigation costs related to legal fees in connection with opioid lawsuits and investigations, $9.4 million related to our business transformation efforts, $8.3 million of acquisition-related deal and integration costs, $6.5 million of severance costs primarily related to position eliminations resulting from our decision to permanently exit the PharMEDium compounding business, and $2.9 million of other restructuring initiatives.

Employee severance, litigation, and other in the nine months ended June 30, 2021 included $85.9 million of litigation costs related to legal fees in connection with opioid lawsuits and investigations, a $141.4 million accrual related to our proposed opioid settlement, $97.1 million of acquisition-related deal and integration costs primarily related to the June 2021 acquisition of Alliance Healthcare, $37.7 million related to our business transformation efforts, $6.7 million of severance costs, and $6.6 million of other restructuring initiatives. Employee severance, litigation, and other in the nine months ended June 30, 2020 included $86.9 million of litigation costs related to legal fees in connection with opioid lawsuits and investigations, $32.4 million of severance costs primarily related to position eliminations resulting from our decision to permanently exit the PharMEDium compounding business, $26.9 million related to our business transformation efforts, $10.4 million of other restructuring initiatives, and $9.1 million of acquisition-related deal and integration costs.

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Operating Income

	Three months ended June 30,					Nine months ended June 30,
(dollars in thousands)	2021		2020		Change	2021		2020		Change
Pharmaceutical Distribution Services	$	483,914	$	426,643	13.4%	$	1,569,014	$	1,381,434	13.6%
Other	146,869		82,875		77.2%	391,696		295,614		32.5%
Intersegment eliminations	(162)		(1,996)			(6,615)		(2,575)
Total segment operating income	630,621		507,522		24.3%	1,954,095		1,674,473		16.7%
Gains from antitrust litigation settlements	147,432		—			147,432		8,546
LIFO credit (expense)	113,920		(6,061)			160,565		(43,195)
PharMEDium remediation costs	—		—			—		(16,165)
PharMEDium shutdown costs	—		(12,936)			—		(45,406)
Contingent consideration adjustment	—		—			—		12,153
Acquisition-related intangibles amortization	(44,282)		(25,109)			(94,289)		(85,345)
Employee severance, litigation, and other	(226,964)		(58,585)			(375,501)		(165,626)
Impairment of PharMEDium assets	—		—			—		(361,652)
Operating income	$	620,727	$	404,831	53.3%	$	1,792,302	$	977,783	83.3%

Segment operating income is evaluated before gains from antitrust litigation settlements; LIFO credit (expense); PharMEDium remediation costs; PharMEDium shutdown costs; contingent consideration adjustment; acquisition-related intangibles amortization; employee severance, litigation, and other; and impairment of PharMEDium assets.

Pharmaceutical Distribution Services' operating income increased 13.4%, or $57.3 million, from the prior year quarter and 13.6%, or $187.6 million, from the prior year nine-month period primarily due to the increases in gross profit, as noted above, and were offset in part by increases in operating expenses. As a percentage of revenue, Pharmaceutical Distribution Services' operating income margins were 0.98% and 1.07% in the quarter and nine-month period ended June 30, 2021, respectively, and was flat compared to the prior year quarter and represented an increase of 5 basis points compared to the prior year nine-month period. The increase from the prior year nine-month period was primarily due to the increase in specialty product sales, including COVID-19 treatments.

Operating income in Other increased 77.2%, or $64.0 million, from the prior quarter and 32.5%, or $96.1 million, from the prior year nine-month period primarily due to the June 2021 acquisition of Alliance Healthcare and due to the increases in operating income at MWI and World Courier.

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Interest expense, net and the respective weighted average interest rates in the three months ended June 30, 2021 and 2020 were as follows:

	2021			2020
(dollars in thousands)	Amount		Weighted Average Interest Rate	Amount	Weighted Average Interest Rate
Interest expense	$	53,011	2.78%	39,177	3.33%
Interest income	(1,673)		0.16%	(1,429)	0.21%
Interest expense, net	$	51,338		37,748

Interest expense, net and the respective weighted average interest rates in the nine months ended June 30, 2021 and 2020 were as follows:

	2021			2020
(dollars in thousands)	Amount		Weighted Average Interest Rate	Amount		Weighted Average Interest Rate
Interest expense	$	122,773	2.98%	$	122,761	3.50%
Interest income	(3,295)		0.13%	(19,585)		0.92%
Interest expense, net	$	119,478		$	103,176

Interest expense, net increased 36.0%, or $13.6 million, from prior year quarter, and 15.8%, or $16.3 million, from the prior year nine-month period. Interest expense, net increased in the three months ended June 30, 2021 primarily due to the issuance of our $1,525 million of 0.737% senior notes and $1,000 million of 2.700% senior notes in March 2021 and the $500 million variable-rate term loan that was issued in June 2021, all of which were used to finance a portion of the June 2021 acquisition of Alliance Healthcare. Interest expense, net in the nine-month period ended June 30, 2021 increased primarily due to a decrease in interest income resulting from a decrease in investment interest rates. The increase in interest expense as a result of the above-mentioned debt issuances in the nine-month period ended June 30, 2021 was offset by a lower weighted-average borrowing interest rate and the repayment of our $400 million term loan upon its maturity in October 2020.

Our effective tax rates were 48.5% and 33.6% for the three and nine months ended June 30, 2021, respectively. Our effective tax rates were 16.5% and (70.1)% for the three and nine months ended June 30, 2020, respectively. The effective tax rates for the three and nine months ended June 30, 2021 were higher than the U.S. statutory rate primarily due to U.K. Tax Reform (see Note 4 of the Notes to Consolidated Financial Statements). The effective tax rates for the three and nine months ended June 30, 2020 were lower than the U.S. statutory rate due to the tax benefits associated with the worthless stock deduction in connection with the permanent shutdown of the PharMEDium compounding business and the Coronavirus Aid, Relief, and Economic Security Act (the provisions of which adjusted the net operating loss carryback rules and accelerated available refunds for alternative minimum tax credit carryforwards) and a higher mix of foreign earnings at lower tax rates in Switzerland and Ireland since U.S. earnings were lower principally due to the impairments of PharMEDium assets.

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Liquidity and Capital Resources

The following table illustrates our debt structure as of June 30, 2021, including availability under the multi-currency revolving credit facility, the receivables securitization facility, the revolving credit note, 364-day revolving credit facility, the Alliance Healthcare debt, and the overdraft facility,

(in thousands)	Outstanding Balance		Additional Availability
Fixed-Rate Debt:
$1,525,000, 0.737% senior notes due 2023	$	1,517,263	$	—
$500,000, 3.400% senior notes due 2024	498,600		—
$500,000, 3.250% senior notes due 2025	497,499		—
$750,000, 3.450% senior notes due 2027	744,571		—
$500,000, 2.800% senior notes due 2030	494,585		—
$1,000,000, 2.700% senior notes due 2031	989,275		—
$500,000, 4.250% senior notes due 2045	494,892		—
$500,000, 4.300% senior notes due 2047	492,955		—
Nonrecourse debt	60,615		—
Total fixed-rate debt	5,790,255		—
Variable-Rate Debt:
Revolving credit note	—		75,000
Receivables securitization facility due 2022	350,000		1,100,000
364-day revolving credit facility	—		1,000,000
Term loan due in June 2023	499,661		—
Overdraft facility due 2024 (£10,000)	—		13,833
Multi-currency revolving credit facility due 2024	—		1,400,000
Alliance Healthcare debt	354,975		341,005
Nonrecourse debt	107,901		—
Total variable-rate debt	1,312,537		3,929,838
Total debt	$	7,102,792	$	3,929,838

Our operating results have generated cash flows, which, together with availability under our debt agreements and credit terms from suppliers, have provided sufficient capital resources to finance working capital and cash operating requirements, and to fund capital expenditures, acquisitions, repayment of debt, the payment of interest on outstanding debt, dividends, and purchases of shares of our common stock.

Our primary ongoing cash requirements will be to finance working capital, fund the repayment of debt, fund the payment of interest on debt, fund purchases of our common stock, fund the payment of dividends, finance acquisitions, and fund capital expenditures and routine growth and expansion through new business opportunities. Future cash flows from operations and borrowings are expected to be sufficient to fund our ongoing cash requirements, including the opioid litigation payments that are expected to be made over 18 years (see below).

As discussed in Note 10 of the Notes to Consolidated Financial Statements, in the fourth quarter of fiscal 2020, with regard to litigation relating to the distribution of prescription opioid pain medications, we recorded a $6.6 billion liability ($5.5 billion, net of income tax benefit). On July 21, 2021, it was announced that we and the two other national pharmaceutical distributors have negotiated a comprehensive proposed settlement agreement that, if all conditions are satisfied, would result in the resolution of a substantial majority of opioid lawsuits filed by state and local governmental entities. The proposed settlement agreement includes a cash component, pursuant to which we would pay up to approximately $6.4 billion over 18 years, including a $443.0 million payment that is expected to be made into escrow prior to September 30, 2021, and the payment will be disbursed after the distributors have determined that there is sufficient participation to proceed, or returned to us if the settlement does not become effective. The aforementioned litigation liability has not and is not expected to have an impact on our compliance with our debt covenants or our ability to pay dividends.

As of June 30, 2021 and September 30, 2020, our cash and cash equivalents held by foreign subsidiaries were $1,348.6 million and $675.9 million, respectively. We have the ability to repatriate the majority of our cash and cash equivalents held by our foreign subsidiaries without incurring significant additional taxes upon repatriation.

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We have increased seasonal needs related to our inventory build during the December and March quarters that, depending on our cash balance, may require the use of our credit facilities to fund short-term capital needs. Our cash balances in the nine months ended June 30, 2021 and 2020 were supplemented by intra-period credit facility borrowings to cover short-term working capital needs. The largest amount of intra-period borrowings under our revolving and securitization credit facilities that was outstanding at any one time during the nine months ended June 30, 2021 and 2020 was $637.7 million and $39.6 million, respectively. We had $4,612.4 million and $117.4 million of cumulative intra-period borrowings that were repaid under our credit facilities during the nine months ended June 30, 2021 and 2020, respectively.

We have a $1.4 billion multi-currency senior unsecured revolving credit facility ("Multi-Currency Revolving Credit Facility"), which is scheduled to expire in September 2024, with a syndicate of lenders. Interest on borrowings under the Multi-Currency Revolving Credit Facility accrues at specified rates based on our debt rating and ranges from 70 basis points to 112.5 basis points over CDOR/LIBOR/EURIBOR/Bankers Acceptance Stamping Fee, as applicable (101.5 basis points over CDOR/LIBOR/EURIBOR/Bankers Acceptance Stamping Fee as of June 30, 2021) and from 0 basis points to 12.5 basis points over the alternate base rate and Canadian prime rate, as applicable. We pay facility fees to maintain the availability under the Multi-Currency Revolving Credit Facility at specified rates based on our debt rating, ranging from 5 basis points to 12.5 basis points, annually, of the total commitment (11 basis points as of June 30, 2021). We may choose to repay or reduce our commitments under the Multi-Currency Revolving Credit Facility at any time. The Multi-Currency Revolving Credit Facility contains covenants, including compliance with a financial leverage ratio test, as well as others that impose limitations on, among other things, indebtedness of subsidiaries and asset sales, with which we were compliant as of June 30, 2021.

We have a commercial paper program whereby we may from time to time issue short-term promissory notes in an aggregate amount of up to $1.4 billion at any one time. Amounts available under the program may be borrowed, repaid, and re-borrowed from time to time. The maturities on the notes will vary, but may not exceed 365 days from the date of issuance. The notes will bear interest, if interest bearing, or will be sold at a discount from their face amounts. The commercial paper program does not increase our borrowing capacity as it is fully backed by our Multi-Currency Revolving Credit Facility. There were no borrowings outstanding under our commercial paper program as of June 30, 2021.

We have a $1,450 million receivables securitization facility ("Receivables Securitization Facility"), which is scheduled to expire in September 2022. We have available to us an accordion feature whereby the commitment on the Receivables Securitization Facility may be increased by up to $250 million, subject to lender approval, for seasonal needs during the December and March quarters. Interest rates are based on prevailing market rates for short-term commercial paper or LIBOR plus a program fee. We pay a customary unused fee at prevailing market rates, annually, to maintain the availability under the Receivables Securitization Facility. The Receivables Securitization Facility contains similar covenants to the Multi-Currency Revolving Credit Facility, with which we were compliant as of June 30, 2021.

In February 2021, we entered into an agreement pursuant to which we obtained a $1.0 billion senior secured revolving credit facility ("364-Day Revolving Credit Facility") with a syndicate of lenders, which is scheduled to expire 364 days after June 1, 2021, the closing of the acquisition of a majority of WBA's Alliance Healthcare businesses. Interest on borrowings under the 364-Day Revolving Credit Facility accrues at specified rates based on our debt rating and ranges from 83.5 basis points to 125 basis points (104.5 basis points as of June 30, 2021) over LIBOR and from 0 basis points to 25 basis points (4.5 basis points as of June 30, 2021) over the alternate base rate. We pay facility fees to maintain availability under the 364-Day Revolving Credit Facility at specified rates based on its debt rating, ranging from 4 basis points to 12.5 basis points (8 basis points as of June 30, 2021), annually, of the total commitment. We may choose to repay or reduce our commitments under the 364-Day Revolving Credit Facility at any time. The 364-Day Revolving Credit Facility contains a feature whereby we have the option to convert to a term loan the outstanding borrowings under this facility. The 364-Day Revolving Credit Facility contains covenants, including compliance with a financial leverage ratio test, as well as others that impose limitations on, among other things, indebtedness of subsidiaries and asset sales, with which we were compliant as of June 30, 2021.

We have an uncommitted, unsecured line of credit available to us pursuant to a revolving credit note ("Revolving Credit Note"). The Revolving Credit Note provides us with the ability to request short-term unsecured revolving credit loans from time to time in a principal amount not to exceed $75 million. The Revolving Credit Note may be decreased or terminated by the bank or us at any time without prior notice. We also have an uncommitted U.K. overdraft facility ("Overdraft Facility") to fund short-term normal trading cycle fluctuations related to its MWI business. In February 2021, we extended the Overdraft Facility to February 2024 and reduced the borrowing capacity from £30 million to £10 million.

Our $400 million Term Loan matured and was repaid in October 2020.

In February 2021, we entered into a $1.0 billion variable-rate term loan (“February 2021 Term Loan”), which was available to be drawn on the closing date of the acquisition of a majority of WBA's Alliance Healthcare businesses. In April 2021, we reduced our commitment under the February 2021 Term Loan to $500 million. In June 2021, we borrowed $500

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million under the February 2021 Term Loan to finance a portion of the Alliance Healthcare acquisition. The February 2021 Term Loan matures in June 2023. The February 2021 Term Loan bears interest at a rate equal either to a base rate plus a margin, or LIBOR, plus a margin. The margin is based on the public debt ratings of us and ranges from 87.5 basis points to 137.5 basis points (112.5 basis points as of June 30, 2021) over LIBOR and 0 basis points to 37.5 basis points (12.5 basis points as of June 30, 2021) over a base rate. The February 2021 Term Loan contains similar covenants to the Multi-Currency Revolving Credit Facility, with which we were compliant as of June 30, 2021.

In March 2021, we issued $1,525 million of 0.737% senior notes due March 15, 2023 (the "2023 Notes"). The 2023 Notes were sold at 100.00% of the principal amount. Interest on the 2023 Notes is payable semi-annually in arrears, commencing on September 15, 2021. In March 2021, we issued $1,000 million of 2.700% senior notes due March 15, 2031 (the "2031 Notes"). The 2031 Notes were sold at 99.79% of the principal amount and have an effective yield of 2.706%. Interest on the 2031 Notes is payable semi-annually in arrears, commencing on September 15, 2021. The 2023 Notes and 2031 Notes rank pari passu to our other senior notes, the Multi-Currency Revolving Credit Facility, the Revolving Credit Note, the Overdraft Facility, and the 364-Day Revolving Credit Facility. We used the proceeds from the 2023 Notes and 2031 Notes to finance a portion of the June 2021 Alliance Healthcare acquisition.

Alliance Healthcare debt is comprised of uncommitted revolving credit facilities in various currencies with various rates. These facilities are used to fund its working capital needs.

Nonrecourse debt is comprised of short-term and long-term debt belonging to the Brazil subsidiaries and is repaid solely from the Brazil subsidiaries' cash flows and such debt agreements provide that the repayment of the loans (and interest thereon) is secured solely by the capital stock, physical assets, contracts, and cash flows of the Brazil subsidiaries.

In October 2018, our board of directors authorized a share repurchase program allowing us to purchase up to $1.0 billion of outstanding shares of our common stock, subject to market conditions. During the nine months ended June 30, 2021, we purchased $55.5 million of our common stock to complete our authorization under this program.

In May 2020, our board of directors authorized a share repurchase program allowing us to purchase up to $500 million of our outstanding shares of common stock, subject to market conditions. During the nine months ended June 30, 2021, we purchased $26.6 million of our common stock. As of June 30, 2021, we had $473.4 million of availability remaining under this program.

We have market risk exposure to interest rate fluctuations relating to our debt. We manage interest rate risk by using a combination of fixed-rate and variable-rate debt. The amount of variable-rate debt fluctuates during the year based on our working capital requirements. We had $1,312.5 million of variable-rate debt outstanding as of June 30, 2021. We periodically evaluate financial instruments to manage our exposure to fixed and variable interest rates. However, there are no assurances that such instruments will be available in the combinations we want and/or on terms acceptable to us. There were no such financial instruments in effect as of June 30, 2021.

We also have market risk exposure to interest rate fluctuations relating to our cash and cash equivalents. We had $2,553.2 million in cash and cash equivalents as of June 30, 2021. The unfavorable impact of a hypothetical decrease in interest rates on cash and cash equivalents would be partially offset by the favorable impact of such a decrease on variable-rate debt. For every $100 million of cash invested that is in excess of variable-rate debt, a 10-basis point decrease in interest rates would increase our annual net interest expense by $0.1 million.

We have exposure to foreign currency and exchange rate risk from our non-U.S. operations. Our largest exposure to foreign exchange rates exists primarily with the Euro, the U.K. Pound Sterling, the Turkish Lira, the Egyptian Pound, the Brazilian Real, and the Canadian Dollar. With the June 2021 acquisition of Alliance Healthcare, our foreign currency and exchange rate risk increased; therefore, we now use foreign currency denominated forward contracts to hedge against changes in foreign exchange rates. We may use derivative instruments to hedge our foreign currency exposure, but not for speculative or trading purposes. Revenue from our foreign operations during the nine-month period ended June 30, 2021 was less than four percent of our consolidated revenue and included one month of revenue from Alliance Healthcare. We expect revenue from foreign operations to increase in the future as Alliance Healthcare's revenue will comprise a larger portion of our total revenue.

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The following is a summary of our contractual obligations for future principal and interest payments on our debt, minimum rental payments on our noncancellable operating leases, and minimum payments on our other commitments as of June 30, 2021:

Payments Due by Period (in thousands)	Debt, Including Interest Payments		Operating Leases		Other Commitments		Total
Within 1 year	$	626,369	$	203,228	$	131,059	$	960,656
1-3 years	3,232,975		343,375		195,203		3,771,553
4-5 years	753,028		266,208		118,615		1,137,851
After 5 years	4,348,001		476,476		—		4,824,477
Total	$	8,960,373	$	1,289,287	$	444,877	$	10,694,537

The 2017 Tax Act requires a one-time transition tax to be recognized on historical foreign earnings and profits. We expect to pay $175.6 million, net of overpayments and tax credits, related to the transition tax as of June 30, 2021, which is payable in installments over a six-year period, which commenced in January 2021. The transition tax commitment is included in "Other Commitments" in the above table.

Our liability for uncertain tax positions was $512.8 million (including interest and penalties) as of June 30, 2021. This liability represents an estimate of tax positions that we have taken in our tax returns which may ultimately not be sustained upon examination by taxing authorities. Since the amount and timing of any future cash settlements cannot be predicted with reasonable certainty, the estimated liability has been excluded from the above contractual obligations table.

During the nine months ended June 30, 2021, our operating activities provided cash of $1,656.8 million in comparison to $907.8 million in the prior year period. Cash provided by operations during the nine months ended June 30, 2021 was principally the result of net income of $1,108.2 million and non-cash items of $600.0 million, an increase in accounts payable of $242.4 million, and a decrease in income taxes receivable of $234.4 million, offset in part by an increase in inventories of $594.7 million and an increase in accounts receivable of $116.8 million. Non-cash items were primarily comprised of the provision for deferred income taxes of $303.6 million, depreciation expense of $237.9 million, and amortization expense of $102.6 million. The increase in inventories reflects the increase in business volume.

During the nine months ended June 30, 2020, our operating activities provided cash of $907.8 million. Cash provided by operations during the nine months ended June 30, 2020 was principally the result of net income of $1,444.9 million, non-cash items of $822.0 million, and an increase in accounts payable of $824.1 million, offset in part by increases in inventories of $910.8 million, income taxes receivable of $590.2 million, and accounts receivable of $436.2 million. The non-cash items were comprised primarily of a $361.7 million impairment of PharMEDium's assets, $215.2 million of depreciation expense, and $93.8 million of amortization expense. The increase in accounts payable was primarily driven by the increase in our inventories and the timing of scheduled payments to suppliers. The increase in income taxes receivable was the result of a benefit recorded in connection with certain discrete items. The increase in accounts receivable was the result of the timing of payments from our customers.

We use days sales outstanding, days inventory on hand, and days payable outstanding to evaluate our working capital performance. The below financial metrics are calculated based upon a quarterly average and can be impacted by the timing of cash receipts and disbursements, which can vary significantly depending upon the day of the week on which the month ends.

	Three months ended June 30,		Nine months ended June 30,
	2021	2020	2021	2020
Days sales outstanding	25.2	25.8	25.6	24.8
Days inventory on hand	28.6	30.9	28.9	29.1
Days payable outstanding	57.4	59.4	58.0	57.9

Our cash flows from operating activities can vary significantly from period to period based upon fluctuations in our period-end working capital account balances. Additionally, any changes to payment terms with a significant customer or manufacturer supplier could have a material impact to our cash flows from operations. Operating cash flows during the nine months ended June 30, 2021 included $110.1 million of interest payments and $43.2 million of income tax payments, net of refunds. Operating cash flows during the nine months ended June 30, 2020 included $125.4 million of interest payments and $120.7 million of income tax payments, net of refunds.

Capital expenditures in the nine months ended June 30, 2021 and 2020 were $273.4 million and $251.1 million, respectively. Significant capital expenditures in the nine months ended June 30, 2021 and 2020 included costs associated with

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facility expansions, various technology initiatives, including costs related to enhancing and upgrading our primary information technology operating systems. We currently expect to invest approximately $400 million for capital expenditures during fiscal 2021.

Net cash used in investing activities in the nine months ended June 30, 2021 included $5,536.7 million for the June 2021 acquisition of Alliance Healthcare, net of cash acquired, and $162.6 million for equity investments.

Net cash provided by financing activities in the nine months ended June 30, 2021 principally resulted from the issuance of senior notes and the February 2021 Term Loan (see above) and $164.3 million of exercises of stock options, offset in part by the repayment of the $400 million Term Loan, $274.0 million in cash dividends paid on our common stock, and $82.2 million in purchases of our common stock. Net cash used in financing activities in the nine months ended June 30, 2020 principally resulted from $420.4 million in purchases of our common stock and $256.8 million in cash dividends paid on our common stock.

In November 2020, our board of directors increased the quarterly dividend paid on common stock by 5% from $0.42 per share to $0.44 per share. We anticipate that we will continue to pay quarterly cash dividends in the future. However, the payment and amount of future dividends remains within the discretion of our board of directors and will depend upon future earnings, financial condition, capital requirements, and other factors.

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Cautionary Note Regarding Forward-Looking Statements

Certain of the statements contained in this Management's Discussion and Analysis of Financial Condition and Results of Operations and elsewhere in this report are "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended (the "Securities Exchange Act"). Words such as "expect," "likely," "outlook," "forecast," "would," "could," "should," "can," "project," "intend," "plan," "continue," "sustain," "synergy," "on track," "believe," "seek," "estimate," "anticipate," "may," "possible," "assume," variations of such words, and similar expressions are intended to identify such forward-looking statements. These statements are based on management's current expectations and are subject to uncertainty and changes in circumstances and speak only as of the date hereof. These statements are not guarantees of future performance and are based on assumptions and estimates that could prove incorrect or could cause actual results to vary materially from those indicated. Among the factors that could cause actual results to differ materially from those projected, anticipated, or implied are the following: unfavorable trends in brand and generic pharmaceutical pricing, including in rate or frequency of price inflation or deflation; competition and industry consolidation of both customers and suppliers resulting in increasing pressure to reduce prices for our products and services; changes in the United States healthcare and regulatory environment, including changes that could impact prescription drug reimbursement under Medicare and Medicaid; increasing governmental regulations regarding the pharmaceutical supply channel; declining reimbursement rates for pharmaceuticals; continued federal and state government enforcement initiatives to detect and prevent suspicious orders of controlled substances and the diversion of controlled substances; continued prosecution or suit by federal, state and other governmental entities of alleged violations of laws and regulations regarding controlled substances, including due to failure to achieve a global resolution of the multi-district opioid litigation and other related state court litigation, and any related disputes, including shareholder derivative lawsuits; increased federal scrutiny and litigation, including qui tam litigation, for alleged violations of laws and regulations governing the marketing, sale, purchase and/or dispensing of pharmaceutical products or services, and associated reserves and costs; failure to comply with the Corporate Integrity Agreement; material adverse resolution of pending legal proceedings; the retention of key customer or supplier relationships under less favorable economics or the adverse resolution of any contract or other dispute with customers or suppliers; changes to customer or supplier payment terms, including as a result of the COVID-19 impact on such payment terms; the integration of the Alliance Healthcare businesses into the Company being more difficult, time consuming or costly than expected; the Company’s or Alliance Healthcare’s failure to achieve expected or targeted future financial and operating performance and results; the effects of disruption from the acquisition and related strategic transactions on the respective businesses of the Company and Alliance Healthcare and the fact that the acquisition and related strategic transactions may make it more difficult to establish or maintain relationships with employees, suppliers and other business partners; the acquisition of businesses, including the acquisition of the Alliance Healthcare businesses and related strategic transactions, that do not perform as expected, or that are difficult to integrate or control, or the inability to capture all of the anticipated synergies related thereto or to capture the anticipated synergies within the expected time period; risks associated with the strategic, long-term relationship between WBA and the Company, including with respect to the pharmaceutical distribution agreement and/or the global generic purchasing services arrangement; managing foreign expansion, including non-compliance with the U.S. Foreign Corrupt Practices Act, anti-bribery laws, economic sanctions and import laws and regulations; financial market volatility and disruption; changes in tax laws or legislative initiatives that could adversely affect the Company's tax positions and/or the Company's tax liabilities or adverse resolution of challenges to the Company's tax positions; substantial defaults in payment, material reduction in purchases by or the loss, bankruptcy or insolvency of a major customer, including as a result of COVID-19; the loss, bankruptcy or insolvency of a major supplier, including as a result of COVID-19; financial and other impacts of COVID-19 on our operations or business continuity; changes to the customer or supplier mix; malfunction, failure or breach of sophisticated information systems to operate as designed; risks generally associated with data privacy regulation and the international transfer of personal data; natural disasters or other unexpected events, such as additional pandemics, that affect the Company’s operations; the impairment of goodwill or other intangible assets (including any additional impairments with respect to foreign operations), resulting in a charge to earnings; the Company's ability to manage and complete divestitures; the disruption of the Company's cash flow and ability to return value to its stockholders in accordance with its past practices; interest rate and foreign currency exchange rate fluctuations; declining economic conditions in the United States and abroad; and other economic, business, competitive, legal, tax, regulatory and/or operational factors affecting the Company's business generally. Certain additional factors that management believes could cause actual outcomes and results to differ materially from those described in forward-looking statements are set forth (i) elsewhere in this report (including in Item 1A (Risk Factors)), (ii) in Item 1A (Risk Factors), in the Company’s Annual Report on Form 10-K for the fiscal year ended September 30, 2020 and elsewhere in that report and (iii) in other reports filed by the Company pursuant to the Securities Exchange Act. The Company undertakes no obligation to publicly update or revise any forward-looking statements, except as required by the federal securities laws.

36

ITEM 3.  Quantitative and Qualitative Disclosures About Market Risk

The Company’s most significant market risks are the effects of changing interest rates, foreign currency risk, and changes in the price and volatility of the Company’s common stock. See the discussion under "Liquidity and Capital Resources" in Item 2 on page 31.

ITEM 4.  Controls and Procedures

Evaluation of Disclosure Controls and Procedures

The Company maintains disclosure controls and procedures that are intended to ensure that information required to be disclosed in the Company’s reports submitted under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the rules and forms of the SEC.  These controls and procedures also are intended to ensure that information required to be disclosed in such reports is accumulated and communicated to management to allow timely decisions regarding required disclosures.

The Company’s Chief Executive Officer and Chief Financial Officer, with the participation of other members of the Company’s management, have evaluated the effectiveness of the Company’s disclosure controls and procedures (as such term is defined in Rules 13a — 15(e) and 15d — 15(e) under the Exchange Act) and have concluded that the Company’s disclosure controls and procedures were effective for their intended purposes as of the end of the period covered by this report.

Changes in Internal Control over Financial Reporting

During the third quarter of fiscal 2021, there was no change in AmerisourceBergen Corporation’s internal control over financial reporting identified in connection with the evaluation required by Rule 13a-15(d) and 15d-15(d) of the Exchange Act that occurred during the quarter ended June 30, 2021 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

37

PART II.  OTHER INFORMATION

ITEM 1.  Legal Proceedings

See Note 10 (Legal Matters and Contingencies) of the Notes to Consolidated Financial Statements set forth under Item 1 of Part I of this report for the Company’s current description of legal proceedings.

ITEM 1A.  Risk Factors

Except as supplemented by the additional risk factors disclosed below, our significant business risks are described in Item 1A to Form 10-K for the fiscal year ended September 30, 2020 to which reference is made herein.

Risks Related to Our Strategic Transactions with Walgreens Boots Alliance, Inc. ("WBA")

The combined business may underperform our expectations or may cause our financial results to differ from those expectations.

We believe that our acquisition of the majority of WBA's Alliance Healthcare businesses, as one of the largest pharmaceutical wholesalers in Europe, will extend our core wholesale, distribution and related solutions capabilities, enhance our existing global platform of manufacturer services, and further our ability to support global patient access to pharmaceutical products. However, our integration of the acquired Alliance Healthcare businesses may be more difficult, time consuming or costly than expected, especially with respect to initiatives related to enhancing and upgrading our information technology and security systems. We may also not be able to retain or integrate the Alliance Healthcare employees necessary to efficiently manage the combined company or we may suffer customer loss and business disruption. We may fail to achieve expected or targeted future financial and operating performance and results, and the combined company may fail to achieve expected benefits, synergies and operating efficiencies following the closing of the acquisition within the expected timeframes or at all.

The acquisition will expand our core wholesale and specialty distribution business from the US, Canada and Brazil to Europe and additional countries with the addition of Alliance Healthcare's wholesale and pre-wholesale business in 13 countries. These international operations may be adversely affected by laws and regulations reducing reimbursement rates for pharmaceuticals and/or medical treatments or services. In addition, we will encounter increased risks relating to compliance with domestic laws relating to foreign corrupt practices and foreign laws and regulations relating to labor and employment, pharmacy, licensing, tax, trade, intellectual property, privacy and data protection and other matters, and if we fail to comply with such laws and regulations, we could be subject to civil and criminal penalties.

ITEM 2.  Unregistered Sales of Equity Securities and Use of Proceeds

(a) Unregistered Sales of Equity Securities

On June 1, 2021, the Company acquired a majority of WBA's Alliance Healthcare businesses pursuant to the Share Purchase Agreement, dated January 6, 2021, between WBA and the Company. As part of the consideration for the purchase of Alliance Healthcare, the Company issued 2 million shares of its common stock to WBA. The shares of the Company's common stock issued to WBA were valued at $229.1 million based on the Company's June 1, 2021 opening stock price of $114.54 per share. See Note 2. Acquisition contained in "Notes to Condensed Consolidated Financial Statements" in Part I, Item 1 of this Quarterly Report on Form 10-Q for additional information. These shares of the Company's common stock were issued pursuant to the exemption from registration provided by Section 4(a)(2) of the Securities Act of 1933, as amended.

38

(c) Issuer Purchases of Equity Securities

The following table sets forth the number of shares purchased, the average price paid per share, the total number of shares purchased as part of publicly announced programs, and the approximate dollar value of shares that may yet be purchased under the programs during each month in the third quarter ended June 30, 2021. See Note 7. Stockholders' Equity and Earnings per Share contained in "Notes to Condensed Consolidated Financial Statements" in Part I, Item 1 of this Quarterly Report on Form 10-Q for additional information.

Period	Total Number of Shares Purchased	Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Programs	Approximate Dollar Value of Shares that May Yet Be Purchased Under the Programs
April 1 to April 30	—	$	—	—	$	473,380,878
May 1 to May 31	—	$	—	—	$	473,380,878
June 1 to June 30	—	$	—	—	$	473,380,878
Total	—			—

ITEM 3.  Defaults Upon Senior Securities

None.

ITEM 4.  Mine Safety Disclosures

Not applicable.

ITEM 5.  Other Information

None.

39

ITEM 6.  Exhibits

    (a)         Exhibits:

Exhibit Number	Description
10.1	First Amendment, dated as of May 13, 2021, to the Credit Agreement, dated as of March 18, 2011, as amended and restated as of September 18, 2019, among AmerisourceBergen Corporation, the borrowing subsidiaries party thereto, the lenders party thereto, JPMorgan Chase Bank, N.A., as administrative agent, and the other financial institutions party thereto (incorporated by reference to Exhibit 10.1 to AmerisourceBergen Corporation's Current Report on Form 8-K filed on May 14, 2021).
10.2	First Amendment, dated as of May 13, 2021, to the Term Credit Agreement, dated as of February 17, 2021, among AmerisourceBergen Corporation, the lenders party thereto and JPMorgan Chase Bank, N.A., as Administrative Agent (incorporated by reference to Exhibit 10.2 to AmerisourceBergen Corporation's Current Report on Form 8-K filed on May 14, 2021).
10.3	First Amendment, dated as of May 13, 2021, to the Credit Agreement, dated as of February 17, 2021, among AmerisourceBergen Corporation, the lenders party thereto and JPMorgan Chase Bank, N.A., as Administrative Agent (incorporated by reference to Exhibit 10.3 to AmerisourceBergen Corporation's Current Report on Form 8-K filed on May 14, 2021).
10.4	Omnibus Amendment, dated as of May 13, 2021, constituting (i) the First Amendment to Amended and Restated Receivables Sale Agreement, among AmerisourceBergen Drug Corporation and ASD Specialty Healthcare, LLC, as originators, and Amerisource Receivables Financial Corporation, as buyer and (ii) the Sixteenth Amendment to Amended and Restated Receivables Purchase Agreement, among Amerisource Receivables Financial Corporation, as seller, AmerisourceBergen Drug Corporation, as servicer, the Purchaser Agents and Purchasers party thereto, and MUFG Bank, Ltd., as administrator (incorporated by reference to Exhibit 10.4 to AmerisourceBergen Corporation's Current Report on Form 8-K filed on May 14, 2021).
10.5	Amended and Restated AmerisourceBergen Shareholders Agreement, dated as of June 1, 2021, between AmerisourceBergen Corporation and Walgreens Boots Alliance, Inc. (incorporated by reference to Exhibit 10.1 to AmerisourceBergen Corporation's Current Report on Form 8-K filed on June 2, 2021).
31.1	Rule 13a-14(a)/15d-14(a) Certification of Chief Executive Officer.
31.2	Rule 13a-14(a)/15d-14(a) Certification of Chief Financial Officer.
32	Section 1350 Certifications of Chief Executive Officer and Chief Financial Officer.
101	Financial statements from the Quarterly Report on Form 10-Q of AmerisourceBergen Corporation for the quarter ended June 30, 2021, formatted in Inline Extensible Business Reporting Language (iXBRL): (i) the Consolidated Balance Sheets, (ii) the Consolidated Statements of Operations, (iii) the Consolidated Statements of Comprehensive Income, (iv) the Consolidated Statements of Changes in Stockholders' Equity, (v) the Consolidated Statements of Cash Flows, and (vi) the Notes to Consolidated Financial Statements.
104	Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101).

40

SIGNATURES

    Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	AMERISOURCEBERGEN CORPORATION
August 4, 2021	/s/ Steven H. Collis
	Steven H. Collis
	Chairman, President & Chief Executive Officer
August 4, 2021	/s/ James F. Cleary
	James F. Cleary
	Executive Vice President & Chief Financial Officer

41

EX-31.1

Exhibit 31.1

Rule 13a-14(a)/15d-14(a) Certification of Chief Executive Officer

I, Steven H. Collis, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q (the "Report") of AmerisourceBergen Corporation (the "Registrant");

2.Based on my knowledge, this Report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this Report;

3.Based on my knowledge, the financial statements, and other financial information included in this Report, fairly present in all material respects the financial condition, results of operations and cash flows of the Registrant as of, and for, the periods presented in this Report;

4.The Registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the Registrant and have:

(a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the Registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this Report is being prepared;

(b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)Evaluated the effectiveness of the Registrant's disclosure controls and procedures and presented in this Report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this Report based on such evaluation; and

(d)Disclosed in this Report any change in the Registrant's internal control over financial reporting that occurred during the Registrant's most recent fiscal quarter (the Registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the Registrant’s internal control over financial reporting; and

5.The Registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Registrant's auditors and the audit committee of the Registrant’s board of directors:

(a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the Registrant’s ability to record, process, summarize and report financial information; and

(b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the Registrant's internal control over financial reporting.

Date: August 4, 2021

/s/ Steven H. Collis

Steven H. Collis

Chairman, President and Chief Executive Officer

EX-31.2

Exhibit 31.2

Rule 13a-14(a)/15d-14(a) Certification of Chief Financial Officer

I, James F. Cleary, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q (the "Report") of AmerisourceBergen Corporation (the "Registrant");

2.Based on my knowledge, this Report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this Report;

3.Based on my knowledge, the financial statements, and other financial information included in this Report, fairly present in all material respects the financial condition, results of operations and cash flows of the Registrant as of, and for, the periods presented in this Report;

4.The Registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the Registrant and have:

(a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the Registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this Report is being prepared;

(b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)Evaluated the effectiveness of the Registrant's disclosure controls and procedures and presented in this Report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this Report based on such evaluation; and

(d)Disclosed in this Report any change in the Registrant's internal control over financial reporting that occurred during the Registrant’s most recent fiscal quarter (the Registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the Registrant’s internal control over financial reporting; and

5.The Registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Registrant's auditors and the audit committee of the Registrant's board of directors:

(a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the Registrant’s ability to record, process, summarize and report financial information; and

(b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the Registrant's internal control over financial reporting.

Date: August 4, 2021

/s/ James F. Cleary

James F. Cleary

Executive Vice President and Chief Financial Officer

EX-32

Exhibit 32

Section 1350 Certification of Chief Executive Officer

In connection with the Quarterly Report of AmerisourceBergen Corporation (the "Company") on Form 10-Q for the quarter ended June 30, 2021 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Steven H. Collis, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Steven H. Collis

Steven H. Collis

Chairman, President and Chief Executive Officer

August 4, 2021

Section 1350 Certification of Chief Financial Officer

In connection with the Quarterly Report of AmerisourceBergen Corporation (the "Company") on Form 10-Q for the quarter ended June 30, 2021 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, James F. Cleary, Executive Vice President and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ James F. Cleary

James F. Cleary

Executive Vice President and Chief Financial Officer

August 4, 2021

XML

Cover - shares	9 Months Ended
	Jun. 30, 2021	Jul. 31, 2021
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2021
Document Transition Report	false
Entity File Number	1-16671
Entity Registrant Name	AMERISOURCEBERGEN CORP
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	23-3079390
Entity Address, Address Line One	1 West First Avenue
Entity Address, City or Town	Conshohocken,
Entity Address, State or Province	PA
Entity Address, Postal Zip Code	19428-1800
City Area Code	610
Local Phone Number	727-7000
Title of 12(b) Security	Common stock
Trading Symbol	ABC
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		207,787,116
Entity Central Index Key	0001140859
Amendment Flag	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--09-30

XML

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2021	Sep. 30, 2020
Current assets:
Cash and cash equivalents	$ 2,553,217	$ 4,597,746
Accounts receivable, less allowances for returns and credit losses: $1,320,465 as of June 30, 2021 and $1,417,308 as of September 30, 2020	17,695,170	13,846,301
Inventories	14,996,364	12,589,278
Right to recover assets	1,215,839	1,344,649
Income tax receivable	254,065	488,428
Prepaid expenses and other	545,111	189,300
Total current assets	37,259,766	33,055,702
Property and equipment, net	2,143,080	1,484,808
Goodwill	9,132,723	6,706,719
Other intangible assets	5,437,825	1,886,107
Deferred income taxes	289,040	361,640
Other assets	1,668,502	779,854
TOTAL ASSETS	55,930,936	44,274,830
Current liabilities:
Accounts payable	36,502,816	31,705,055
Accrued expenses and other	2,631,413	1,646,763
Short-term debt	455,609	501,259
Total current liabilities	39,589,838	33,853,077
Long-term debt	6,647,183	3,618,261
Accrued income taxes	283,735	284,845
Deferred income taxes	1,671,696	686,485
Accrued litigation liability	6,271,276	6,198,943
Other liabilities	1,058,767	472,855
Commitments and contingencies (Note 10)
Stockholders’ equity (deficit):
Common stock, $0.01 par value - authorized, issued, and outstanding: 600,000,000 shares, 290,343,806 shares, and 207,710,721 shares as of June 30, 2021, respectively, and 600,000,000 shares, 287,790,479 shares, and 204,226,465 shares as of September 30, 2020, respectively	2,903	2,878
Additional paid-in capital	5,412,586	5,081,776
Retained earnings	1,325,422	518,335
Accumulated other comprehensive loss	(233,238)	(108,830)
Treasury stock, at cost: 82,633,085 shares as of June 30, 2021 and 83,564,014 shares as of September 30, 2020	(6,469,711)	(6,513,083)
Total AmerisourceBergen Corporation stockholders' equity (deficit)	37,962	(1,018,924)
Noncontrolling interests	370,479	179,288
Total equity (deficit)	408,441	(839,636)
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY (DEFICIT)	$ 55,930,936	$ 44,274,830

XML

CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2021	Sep. 30, 2020
Statement of Financial Position [Abstract]
Allowances for returns and credit losses	$ 1,320,465	$ 1,417,308
Common stock, par value (usd per share)	$ 0.01	$ 0.01
Common stock, authorized (shares)	600,000,000	600,000,000
Common stock, issued (shares)	290,343,806	287,790,479
Common stock, outstanding (shares)	207,710,721	204,226,465
Treasury stock (shares)	82,633,085	83,564,014

XML

CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Statement [Abstract]
Revenue	$ 53,405,695	$ 45,366,777	$ 155,076,422	$ 140,649,158
Cost of goods sold	51,517,489	44,141,061	150,202,605	136,804,121
Gross profit	1,888,206	1,225,716	4,873,817	3,845,037
Operating expenses:
Distribution, selling, and administrative	913,414	666,885	2,378,563	2,046,251
Depreciation	82,320	69,594	231,535	208,634
Amortization	44,781	25,821	95,916	85,091
Employee severance, litigation, and other	226,964	58,585	375,501	165,626
Impairment of PharMEDium assets	0	0	0	361,652
Operating income	620,727	404,831	1,792,302	977,783
Other (income) loss, net	(4,141)	1,073	4,901	2,806
Interest expense, net	51,338	37,748	119,478	103,176
Loss on early retirement of debt	0	22,175	0	22,175
Income before income taxes	573,530	343,835	1,667,923	849,626
Income tax expense (benefit)	278,082	56,567	559,763	(595,321)
Net income	295,448	287,268	1,108,160	1,444,947
Net (income) loss attributable to noncontrolling interests	(3,326)	2,171	(5,926)	(7,591)
Net income attributable to AmerisourceBergen Corporation	$ 292,122	$ 289,439	$ 1,102,234	$ 1,437,356
Earnings per share:
Basic (usd per share)	$ 1.42	$ 1.42	$ 5.37	$ 7.01
Diluted (usd per share)	$ 1.40	$ 1.41	$ 5.31	$ 6.95
Weighted average common shares outstanding:
Basic (shares)	206,156	203,654	205,255	205,017
Diluted (shares)	208,912	205,544	207,679	206,714
Cash dividends declared per share of common stock (usd per share)	$ 0.44	$ 0.42	$ 1.32	$ 1.24

XML

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 295,448	$ 287,268	$ 1,108,160	$ 1,444,947
Other comprehensive (loss) income
Foreign currency translation adjustments	(154,075)	3,181	(114,136)	(27,224)
Other	0	(690)	0	(656)
Total other comprehensive (loss) income	(154,075)	2,491	(114,136)	(27,880)
Total comprehensive income	141,373	289,759	994,024	1,417,067
Comprehensive (income) loss attributable to noncontrolling interests	(13,241)	3,824	(16,198)	3,590
Comprehensive income attributable to AmerisourceBergen Corporation	$ 128,132	$ 293,583	$ 977,826	$ 1,420,657

XML

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Adoption of ASC	Common Stock	Additional Paid-in Capital	Retained Earnings	Retained Earnings Adoption of ASC	Accumulated Other Comprehensive Loss	Treasury Stock	Noncontrolling Interests	Noncontrolling Interests Adoption of ASC
Beginning balance at Sep. 30, 2019	$ 2,993,206	$ 35,138	$ 2,853	$ 4,850,142	$ 4,235,491	$ 35,138	$ (111,965)	$ (6,097,604)	$ 114,289
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	1,444,947				1,437,356				7,591
Other comprehensive (loss) income	(27,880)						(16,699)		(11,181)
Cash dividends	(256,764)				(256,764)
Exercises of stock options	137,748		18	137,730
Share-based compensation expense	57,579			57,579
Purchases of common stock	(405,692)							(405,692)
Employee tax withholdings related to restricted share vesting	(9,660)							(9,660)
Other	(671)		4	(675)
Ending balance at Jun. 30, 2020	3,967,951		2,875	5,044,776	5,451,221		(128,664)	(6,512,956)	110,699
Beginning balance at Mar. 31, 2020	3,705,113		2,868	4,972,109	5,248,005		(132,808)	(6,499,584)	114,523
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	287,268				289,439				(2,171)
Other comprehensive (loss) income	2,491						4,144		(1,653)
Cash dividends	(86,223)				(86,223)
Exercises of stock options	60,991		7	60,984
Share-based compensation expense	11,816			11,816
Purchases of common stock	(13,297)							(13,297)
Employee tax withholdings related to restricted share vesting	(75)							(75)
Other	(133)			(133)
Ending balance at Jun. 30, 2020	3,967,951		2,875	5,044,776	5,451,221		(128,664)	(6,512,956)	110,699
Beginning balance at Sep. 30, 2020	(839,636)	$ (24,094)	2,878	5,081,776	518,335	$ (21,106)	(108,830)	(6,513,083)	179,288	$ (2,988)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	1,108,160				1,102,234				5,926
Other comprehensive (loss) income	(114,136)						(124,408)		10,272
Cash dividends	(274,041)				(274,041)
Exercises of stock options	164,297		18	164,279
Share-based compensation expense	81,465			81,465
Equity consideration issued for acquisition of Alliance Healthcare (Note 2)	235,141			86,089				149,052
Acquisition of Alliance Healthcare (Note 2)	178,264								178,264
Purchases of common stock	(82,150)							(82,150)
Employee tax withholdings related to restricted share vesting	(23,530)							(23,530)
Other	(1,299)		7	(1,023)					(283)
Ending balance at Jun. 30, 2021	408,441		2,903	5,412,586	1,325,422		(233,238)	(6,469,711)	370,479
Beginning balance at Mar. 31, 2021	(102,782)		2,900	5,278,379	1,124,976		(69,248)	(6,618,763)	178,974
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	295,448				292,122				3,326
Other comprehensive (loss) income	(154,075)						(163,990)		9,915
Cash dividends	(91,676)				(91,676)
Exercises of stock options	33,971		3	33,968
Share-based compensation expense	14,355			14,355
Equity consideration issued for acquisition of Alliance Healthcare (Note 2)	235,141			86,089				149,052
Acquisition of Alliance Healthcare (Note 2)	178,264								178,264
Other	(205)			(205)
Ending balance at Jun. 30, 2021	$ 408,441		$ 2,903	$ 5,412,586	$ 1,325,422		$ (233,238)	$ (6,469,711)	$ 370,479

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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended		12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Sep. 30, 2020	Sep. 30, 2019
Statement of Stockholders' Equity [Abstract]
Accounting Standards Update [Extensible List]					us-gaap:AccountingStandardsUpdate201613Member	us-gaap:AccountingStandardsUpdate201602Member
Cash dividends (in dollars per share)	$ 0.44	$ 0.42	$ 1.32	$ 1.24

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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
OPERATING ACTIVITIES
Net income	$ 1,108,160	$ 1,444,947
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, including amounts charged to cost of goods sold	237,854	215,195
Amortization, including amounts charged to interest expense	102,635	93,758
Provision for credit losses	13,533	25,409
Provision (benefit) for deferred income taxes	303,637	(7,199)
Share-based compensation	81,465	57,579
LIFO (credit) expense	(160,565)	43,195
Impairment of PharMEDium assets	0	361,652
Loss on early retirement of debt	0	22,175
Other, net	21,394	10,241
Changes in operating assets and liabilities, excluding the effects of acquisitions:
Accounts receivable	(116,845)	(436,237)
Inventories	(594,708)	(910,828)
Income taxes receivable	234,362	(590,165)
Prepaid expenses and other assets	86,540	28,757
Accounts payable	242,419	824,105
Income taxes payable	(44,791)	(97,093)
Accrued expenses and other liabilities	69,346	(177,683)
Long-term accrued litigation liability	72,333	0
NET CASH PROVIDED BY OPERATING ACTIVITIES	1,656,769	907,808
INVESTING ACTIVITIES
Capital expenditures	(273,407)	(251,101)
Cost of acquired companies, net of cash acquired	5,536,717	0
Cost of equity investments	(162,620)	(34,830)
Other, net	2,516	7,824
NET CASH USED IN INVESTING ACTIVITIES	(5,970,228)	(278,107)
FINANCING ACTIVITIES
Senior notes and other loan borrowings	3,165,184	590,106
Loan repayments	(550,345)	(568,032)
Borrowings under revolving and securitization credit facilities	4,617,858	116,946
Repayments under revolving and securitization credit facilities	(4,612,382)	(149,980)
Payment of premium on early retirement of debt	0	(21,448)
Purchases of common stock	(82,150)	(420,449)
Exercises of stock options	164,297	137,748
Cash dividends on common stock	(274,041)	(256,764)
Tax withholdings related to restricted share vesting	(23,530)	(9,660)
Other	(7,435)	(2,090)
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	2,397,456	(583,623)
(DECREASE) INCREASE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH	(1,916,003)	46,078
Cash, cash equivalents, and restricted cash at beginning of period	4,597,746	3,374,194
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT END OF PERIOD	$ 2,681,743	$ 3,420,272

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Summary of Significant Accounting Policies

9 Months Ended

Jun. 30, 2021

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies

Basis of Presentation

The accompanying financial statements present the consolidated financial position, results of operations, and cash flows of AmerisourceBergen Corporation and its subsidiaries, including less-than-wholly-owned subsidiaries in which AmerisourceBergen Corporation has a controlling financial interest (the "Company"), as of the dates and for the periods indicated. All significant intercompany accounts and transactions have been eliminated in consolidation.

The accompanying unaudited consolidated financial statements have been prepared in conformity with U.S. generally accepted accounting principles ("GAAP") for interim financial information, the instructions to Form 10-Q, and Rule 10-01 of Regulation S-X. In the opinion of management, all adjustments (consisting only of normal recurring accruals, except as otherwise disclosed herein) considered necessary to present fairly the financial position as of June 30, 2021 and the results of operations and cash flows for the interim periods ended June 30, 2021 and 2020 have been included. Certain information and footnote disclosures normally included in financial statements presented in accordance with U.S. GAAP, but which are not required for interim reporting purposes, have been omitted. The accompanying unaudited consolidated financial statements should be read in conjunction with the financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the fiscal year ended September 30, 2020.

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect amounts reported in the financial statements and accompanying notes. Actual amounts could differ from these estimated amounts. Certain reclassifications have been made to prior-period amounts in order to conform to the current year presentation.

Restricted Cash

The Company's Alliance Healthcare (see Note 2) business is required to maintain certain cash deposits with banks mainly consisting of deposits restricted under contractual agency agreements and cash restricted by law and other obligations.

The following represents a reconciliation of cash and cash equivalents in the Consolidated Balance Sheets to cash, cash equivalents, and restricted cash in the Consolidated Statements of Cash Flows:

(amounts in thousands)	June 30, 2021		September 30, 2020
	(unaudited)
Cash and cash equivalents	$	2,553,217	$	4,597,746
Restricted cash (included in Prepaid Expenses and Other)	128,526		—
Cash, cash equivalents, and restricted cash	$	2,681,743	$	4,597,746

Recently Adopted Accounting Pronouncements

In June 2016, the FASB issued ASU No. 2016-13, "Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments" ("ASU 2016-13"). ASU 2016-13 requires financial assets measured at amortized cost to be presented at the net amount expected to be collected. The measurement of expected credit losses is based on relevant information about past events, including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectibility of the reported amounts. An entity must use judgment in determining the relevant information and estimation methods that are appropriate in its circumstances. ASU 2016-13 was effective for annual reporting periods beginning after December 15, 2019, including interim periods within those fiscal years, and a modified retrospective approach was required, with a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance was effective.

The Company adopted ASU 2016-13 as of October 1, 2020. In connection with the adoption of ASU 2016-13, the Company recognized a $21.1 million, net of tax of $6.1 million, cumulative adjustment to retained earnings. The Company evaluates its receivables for risk of loss by grouping its receivables with similar risk characteristics. Expected losses are determined based on a combination of historical loss trends, current economic conditions, and forward-looking risk factors.

Recently Issued Accounting Pronouncements Not Yet Adopted

In December 2019, the FASB issued ASU No. 2019-12, "Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes" ("ASU 2019-12"). ASU 2019-12 removes certain exceptions to the general principles in ASC 740 in order to reduce the cost and complexity of its application. ASU 2019-12 is effective for annual reporting periods beginning after December 15, 2020, including interim periods within those fiscal years, with certain amendments applied on a modified retrospective basis, with a cumulative-effect adjustment to retained earnings as of the beginning of the fiscal year of adoption, and others prospectively. Early adoption of this guidance is permitted, including the adoption in any interim period for public companies for periods for which financial statements have not yet been issued. The Company is currently evaluating the impact of adopting this new accounting guidance.

As of June 30, 2021, there were no other recently-issued accounting standards that may have a material impact on the Company’s financial position, results of operations, cash flows, or notes to the financial statements upon their adoption.

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Acquisition

9 Months Ended

Jun. 30, 2021

Business Combination and Asset Acquisition [Abstract]

Acquisition

Acquisition

On June 1, 2021, the Company acquired a majority of Walgreens Boots Alliance, Inc.'s ("WBA") Alliance Healthcare businesses ("Alliance Healthcare") for $6,602.0 million in cash, subject to certain purchase price adjustments, $229.1 million of the Company's common stock (2 million shares at the Company's June 1, 2021 opening stock price of $114.54 per share), $118.2 million of estimated accrued consideration, and $6.1 million of other equity consideration (the "Transaction"). The net cash payment was $5,536.7 million, as the Company acquired $922.0 million of cash and cash equivalents and $143.3 million of restricted cash. The shares issued were from the Company's treasury stock on a first-in, first-out basis and were originally purchased for $149.1 million. WBA’s operations in China, Italy, and Germany were not part of this Transaction. The Company funded the cash purchase price through a combination of cash on hand and new debt financing (see Note 6). The acquisition expands the Company's reach and solutions in pharmaceutical distribution and adds to the Company's depth and breadth of global manufacturer services.

The purchase price has been preliminarily allocated to the underlying assets acquired and liabilities assumed based upon their estimated fair values at the date of the acquisition in the table that follows. The preliminary allocation is pending the finalization of the third-party appraisals of intangible assets and the corresponding deferred taxes, as well as the finalization of working capital account balances and lease right-of-use assets and liabilities. There can be no assurance that the estimated amounts recorded will represent the final purchase price allocation.

(in thousands)
Consideration
Cash	$	6,602,020
Equity (2 million shares of AmerisourceBergen Corporation common stock)	229,080
Estimated accrued consideration	118,213
Other equity consideration	6,061
Fair value of total consideration	$	6,955,374
Recognized amounts of identifiable assets acquired and liabilities assumed
Cash and cash equivalents	$	921,995
Accounts receivable	3,703,895
Inventories	1,655,291
Prepaid expenses and other	381,888
Property and equipment	633,057
Goodwill	2,488,802
Other intangible assets	3,735,000
Other assets	496,443
Total assets acquired	14,016,371
Accounts payable	(4,618,807)
Accrued expenses and other	(762,223)
Short-term debt	(353,420)
Deferred income taxes	(790,134)
Other liabilities	(358,149)
Total liabilities assumed	(6,882,733)
Net assets acquired	7,133,638
Noncontrolling interest	(178,264)
Equity consideration	(235,141)
Estimated accrued consideration	(118,213)
Cash acquired, including restricted cash of $143,308 included in Prepaid Expenses and Other	(1,065,303)
Net cash paid	$	5,536,717

The estimated fair value of the intangible assets acquired of $3.7 billion and the estimated useful lives are as follows:

(in thousands, except useful lives)	Fair Value		Weighted-Average Useful Life
Customer relationships	$	3,327,000	18
Trade names	408,000		11
Total	$	3,735,000

Goodwill resulting from this acquisition is not expected to be deductible for income tax purposes.

The fair value of the $178.3 million noncontrolling interest in Alliance Healthcare Egypt, a 50%-owned subsidiary, was estimated by applying income and market-based approaches. This fair value measurement is based on inputs that are not observable in the market and; therefore, represents a fair value measurement categorized within Level 3 of the fair value hierarchy.

The Company incurred $88.8 million of acquisition-related costs in connection with this acquisition. These costs are included in Employee Severance, Litigation, and Other in the Company's Statements of Operations for the nine months ended June 30, 2021.

The Company's consolidated results of operations since the acquisition date include Alliance Healthcare revenue of $1.9 billion and pretax earnings of $20.6 million. Alliance Healthcare's results of operations are included in Other within the Company's business segment information (see Note 13).

Prior to August 18, 2021, the Company will file unaudited condensed combined pro forma financial statements combining the historical consolidated financial statements of the Company and Alliance Healthcare, as adjusted to give effect to the acquisition of Alliance Healthcare by the Company in a Current Report on Form 8-K.

See Part II. Other Information-Item 1A. Risk Factors on page 38 of this Quarterly Report on Form 10-Q for additional risk factors related to our strategic transactions with WBA.

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Variable Interest Entity

9 Months Ended

Jun. 30, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Variable Interest Entity

Variable Interest Entity

The Company has substantial governance rights over Profarma Distribuidora de Produtos Farmacêuticos S.A. ("Profarma"), which allow it to direct the activities that significantly impact Profarma’s economic performance. As such, the Company consolidates the operating results of Profarma in its consolidated financial statements. The Company is not obligated to provide future financial support to Profarma.

The following assets and liabilities of Profarma are included in the Company's Consolidated Balance Sheets:

(in thousands)	June 30, 2021		September 30, 2020
Cash and cash equivalents	$	35,498	$	96,983
Accounts receivables, net	159,245		120,486
Inventories	209,911		144,059
Prepaid expenses and other	74,781		52,885
Property and equipment, net	31,017		23,584
Goodwill	82,309		82,309
Other intangible assets	71,886		73,543
Other long-term assets	74,629		53,513
Total assets	$	739,276	$	647,362
Accounts payable	$	169,576	$	141,147
Accrued expenses and other	39,901		34,415
Short-term debt	96,802		98,399
Long-term debt	67,828		44,144
Deferred income taxes	37,985		38,854
Other long-term liabilities	60,427		43,413
Total liabilities	$	472,519	$	400,372

    Profarma's assets can only be used to settle its obligations, and its creditors do not have recourse to the general credit of the Company.

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Income Taxes

9 Months Ended

Jun. 30, 2021

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

United Kingdom Tax Reform

The United Kingdom ("UK") government delivered a Spring Budget in March 2021 that set out a plan to provide continuing support for jobs and businesses as the UK recovers from the COVID-19 pandemic. The UK government Finance Act 2021 includes a provision to increase the corporate tax rate from 19% to 25% beginning on April 1, 2023. As a result, the Company recognized a deferred tax expense of $127.6 million to increase its deferred tax liabilities for the change in the tax rate.

Swiss Tax Reform    

    In November 2020, the Canton of Bern approved its Budget 2021, which called for lowering its corporate income tax rate applicable to the Company’s Swiss operations effective October 1, 2020. As a result, the Company recognized a deferred tax expense to reduce its Swiss deferred tax asset for the change in tax rate.

Other Information

    The Company files income tax returns in U.S. federal and state jurisdictions as well as various foreign jurisdictions. As of June 30, 2021, the Company had unrecognized tax benefits, defined as the aggregate tax effect of differences between tax return positions and the benefits recognized in the Company’s financial statements, of $512.8 million ($464.8 million, net of federal benefit). If recognized, $446.5 million of these tax benefits would have reduced income tax expense and the effective tax rate. Included in this amount is $22.8 million of interest and penalties, which the Company records in Income Tax Expense in the Company's Consolidated Statements of Operations. In the nine months ended June 30, 2021, unrecognized tax benefits increased by $14.5 million. Over the next 12 months, it is reasonably possible that tax authority audit resolutions and the expiration of statutes of limitations could result in a reduction of unrecognized tax benefits of approximately $16.8 million.

    The Company's effective tax rates were 48.5% and 33.6% for the three and nine months ended June 30, 2021, respectively. The Company's effective tax rates were 16.5% and (70.1)% for the three and nine months ended June 30, 2020, respectively. The effective tax rates for the three and nine months ended June 30, 2021 were higher than the U.S. statutory rate primarily due to UK Tax Reform. The effective tax rate in the nine months ended June 30, 2020 was lower than the U.S. statutory rate due to the tax benefits associated with the worthless stock deduction in connection with the permanent shutdown of the PharMEDium compounding business and the Coronavirus Aid, Relief, and Economic Security Act (the provisions of which adjusted the net operating loss carryback rules and accelerated available refunds for alternative minimum tax credit carryforwards) and a higher mix of foreign earnings at lower tax rates in Switzerland and Ireland since U.S. earnings were lower principally due to the impairments of PharMEDium assets.

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Goodwill and Other Intangible Assets

9 Months Ended

Jun. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets

The following is a summary of the changes in the carrying value of goodwill, by reportable segment, for the nine months ended June 30, 2021:

(in thousands)	Pharmaceutical Distribution Services		Other		Total
Goodwill as of September 30, 2020	$	4,852,775	$	1,853,944	$	6,706,719
Goodwill recognized in connection with acquisitions (see Note 2)	—		2,488,802		2,488,802
Foreign currency translation	—		(62,798)		(62,798)
Goodwill as of June 30, 2021	$	4,852,775	$	4,279,948	$	9,132,723

    The following is a summary of other intangible assets:

	June 30, 2021							September 30, 2020
(in thousands)	Weighted Average Remaining Useful Life	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Indefinite-lived trade names		$	685,470	$	—	$	685,470	$	685,312	$	—	$	685,312
Finite-lived:
Customer relationships	16 years	4,919,920		(648,733)		4,271,187		1,671,888		(565,372)		1,106,516
Trade names and other	12 years	610,507		(129,339)		481,168		210,394		(116,115)		94,279
Total other intangible assets		$	6,215,897	$	(778,072)	$	5,437,825	$	2,567,594	$	(681,487)	$	1,886,107

    Amortization expense for finite-lived intangible assets was $44.8 million and $25.8 million in the three months ended June 30, 2021 and 2020, respectively. Amortization expense for finite-lived intangible assets was $95.9 million and $85.1 million in the nine months ended June 30, 2021 and 2020, respectively. Amortization expense for finite-lived intangible assets is estimated to be $178.7 million in fiscal 2021, $330.3 million in fiscal 2022, $328.8 million in fiscal 2023, $327.1 million in fiscal 2024, $326.1 million in fiscal 2025, and $3,357.2 million thereafter.

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Debt

9 Months Ended

Jun. 30, 2021

Debt Disclosure [Abstract]

Debt

Debt

Debt consisted of the following:

(in thousands)	June 30, 2021		September 30, 2020
Revolving credit note	$	—	$	—
Term loan due in October 2020	—		399,982
Receivables securitization facility due 2022	350,000		350,000
364-day revolving credit facility	—		—
Term loan due in June 2023	499,661		—
Overdraft facility due 2024 (£10,000)	—		—
Multi-currency revolving credit facility due 2024	—		—
$1,525,000, 0.737% senior notes due 2023	1,517,263		—
$500,000, 3.400% senior notes due 2024	498,600		498,232
$500,000, 3.250% senior notes due 2025	497,499		496,990
$750,000, 3.450% senior notes due 2027	744,571		743,940
$500,000, 2.800% senior notes due 2030	494,585		494,045
$1,000,000, 2.700% senior notes due 2031	989,275		—
$500,000, 4.250% senior notes due 2045	494,892		494,730
$500,000, 4.300% senior notes due 2047	492,955		492,755
Alliance Healthcare debt	354,975		—
Nonrecourse debt	168,516		148,846
Total debt	7,102,792		4,119,520
Less AmerisourceBergen Corporation current portion	—		399,982
Less Alliance Healthcare current portion	354,975		—
Less nonrecourse current portion	100,634		101,277
Total, net of current portion	$	6,647,183	$	3,618,261

Multi-Currency Revolving Credit Facility

    The Company has a $1.4 billion multi-currency senior unsecured revolving credit facility ("Multi-Currency Revolving Credit Facility"), which is scheduled to expire in September 2024, with a syndicate of lenders. Interest on borrowings under the Multi-Currency Revolving Credit Facility accrues at specified rates based on the Company’s debt rating and ranges from 70 basis points to 112.5 basis points over CDOR/LIBOR/EURIBOR/Bankers Acceptance Stamping Fee, as applicable (101.5 basis points over CDOR/LIBOR/EURIBOR/Bankers Acceptance Stamping Fee as of June 30, 2021) and from 0 basis points to 12.5 basis points over the alternate base rate and Canadian prime rate, as applicable. The Company pays facility fees to maintain the availability under the Multi-Currency Revolving Credit Facility at specified rates based on its debt rating, ranging from 5 basis points to 12.5 basis points, annually, of the total commitment (11 basis points as of June 30, 2021). The Company may choose to repay or reduce its commitments under the Multi-Currency Revolving Credit Facility at any time. The Multi-Currency Revolving Credit Facility contains covenants, including compliance with a financial leverage ratio test, as well as others that impose limitations on, among other things, indebtedness of subsidiaries and asset sales, with which the Company was compliant as of June 30, 2021.

Commercial Paper Program

    The Company has a commercial paper program whereby it may from time to time issue short-term promissory notes in an aggregate amount of up to $1.4 billion at any one time. Amounts available under the program may be borrowed, repaid, and re-borrowed from time to time. The maturities on the notes will vary, but may not exceed 365 days from the date of issuance. The notes will bear interest, if interest bearing, or will be sold at a discount from their face amounts. The commercial paper program does not increase the Company’s borrowing capacity as it is fully backed by the Company’s Multi-Currency Revolving Credit Facility. There were no borrowings outstanding under the commercial paper program as of June 30, 2021.

Receivables Securitization Facility

    The Company has a $1,450 million receivables securitization facility ("Receivables Securitization Facility"), which is scheduled to expire in September 2022. The Company has available to it an accordion feature whereby the commitment on the Receivables Securitization Facility may be increased by up to $250 million, subject to lender approval, for seasonal needs during the December and March quarters. Interest rates are based on prevailing market rates for short-term commercial paper or LIBOR, plus a program fee. The Company pays a customary unused fee at prevailing market rates, annually, to maintain the availability under the Receivables Securitization Facility. The Receivables Securitization Facility contains similar covenants to the Multi-Currency Revolving Credit Facility, with which the Company was compliant as of June 30, 2021.

364-Day Revolving Credit Facility

In February 2021, the Company entered into an agreement pursuant to which it obtained a $1.0 billion senior secured revolving credit facility ("364-Day Revolving Credit Facility") with a syndicate of lenders, which is scheduled to expire 364 days after June 1, 2021, the closing of the acquisition of a majority of WBA's Alliance Healthcare businesses. Interest on borrowings under the 364-Day Revolving Credit Facility accrues at specified rates based on the Company's debt rating and ranges from 83.5 basis points to 125 basis points (104.5 basis points as of June 30, 2021) over LIBOR and from 0 basis points to 25 basis points (4.5 basis points as of June 30, 2021) over the alternate base rate. The Company pays facility fees to maintain availability under the 364-Day Revolving Credit Facility at specified rates based on its debt rating, ranging from 4 basis points to 12.5 basis points (8 basis points as of June 30, 2021), annually, of the total commitment. The Company may choose to repay or reduce its commitments under the 364-Day Revolving Credit Facility at any time. The 364-Day Revolving Credit Facility contains a feature whereby the Company has the option to convert to a term loan the outstanding borrowings under this facility. The 364-Day Revolving Credit Facility contains covenants, including compliance with a financial leverage ratio test, as well as others that impose limitations on, among other things, indebtedness of subsidiaries and asset sales, with which the Company was compliant as of June 30, 2021.

Revolving Credit Note and Overdraft Facility

    The Company has an uncommitted, unsecured line of credit available to it pursuant to a revolving credit note ("Revolving Credit Note"). The Revolving Credit Note provides the Company with the ability to request short-term unsecured revolving credit loans from time to time in a principal amount not to exceed $75 million. The Revolving Credit Note may be decreased or terminated by the bank or the Company at any time without prior notice. The Company also has an uncommitted U.K. overdraft facility ("Overdraft Facility") to fund short-term normal trading cycle fluctuations related to its MWI business. In February 2021, the Company extended the Overdraft Facility to February 2024 and reduced the borrowing capacity from £30 million to £10 million.

Term Loans

The $400 million October 2018 Term Loan matured and was repaid in October 2020.

In February 2021, the Company entered into a $1.0 billion variable-rate term loan (“February 2021 Term Loan”), which was available to be drawn on the closing date of the acquisition of a majority of WBA's Alliance Healthcare businesses. In April 2021, the Company reduced its commitment under the February 2021 Term Loan to $500 million. In June 2021, the Company borrowed $500 million under the February 2021 Term Loan to finance a portion of the June 2021 Alliance Healthcare acquisition. The February 2021 Term Loan matures in June 2023. The February 2021 Term Loan bears interest at a rate equal either to a base rate plus a margin, or LIBOR, plus a margin. The margin is based on the public debt ratings of the Company and ranges from 87.5 basis points to 137.5 basis points (112.5 basis points as of June 30, 2021) over LIBOR and 0 basis points to 37.5 basis points (12.5 basis points as of June 30, 2021) over a base rate. The February 2021 Term Loan contains similar covenants to the Multi-Currency Revolving Credit Facility, with which the Company was compliant as of June 30, 2021.

Senior Notes

In March 2021, the Company issued $1,525 million of 0.737% senior notes due March 15, 2023 (the "2023 Notes"). The 2023 Notes were sold at 100.00% of the principal amount. Interest on the 2023 Notes is payable semi-annually in arrears, commencing on September 15, 2021. In March 2021, the Company issued $1,000 million of 2.700% senior notes due March 15, 2031 (the "2031 Notes"). The 2031 Notes were sold at 99.79% of the principal amount and have an effective yield of 2.706%. Interest on the 2031 Notes is payable semi-annually in arrears, commencing on September 15, 2021. The 2023 Notes and 2031 Notes rank pari passu to the Company's other senior notes, the Multi-Currency Revolving Credit Facility, the Revolving Credit Note, the Overdraft Facility, and the 364-Day Revolving Credit Facility. The Company used the proceeds from the 2023 Notes and the 2031 Notes to finance a portion of the June 2021 Alliance Healthcare acquisition.

Alliance Healthcare Debt

Alliance Healthcare debt is comprised of uncommitted revolving credit facilities in various currencies with various rates, the majority of which is held in Egypt and Turkey. These facilities are used to fund its working capital needs.

Nonrecourse Debt

Nonrecourse debt is comprised of short-term and long-term debt belonging to the Brazil subsidiaries and is repaid solely from the Brazil subsidiaries' cash flows and such debt agreements provide that the repayment of the loans (and interest thereon) is secured solely by the capital stock, physical assets, contracts, and cash flows of the Brazil subsidiaries.

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Stockholders' Equity and Earnings per Share

9 Months Ended

Jun. 30, 2021

Equity [Abstract]

Stockholders' Equity and Earnings per Share

Stockholders’ Equity and Earnings per Share

In October 2018, the Company's board of directors authorized a share repurchase program allowing the Company to purchase up to $1.0 billion of its outstanding shares of common stock, subject to market conditions. During the nine months ended June 30, 2021, the Company purchased 0.6 million shares of its common stock for a total of $55.5 million to complete its authorization under this program.

In May 2020, the Company's board of directors authorized a share repurchase program allowing the Company to purchase up to $500 million of its outstanding shares of common stock, subject to market conditions. During the nine months ended June 30, 2021, the Company purchased 0.3 million shares of its common stock for a total of $26.6 million. As of June 30, 2021, the Company had $473.4 million of availability remaining under this program.

    Basic earnings per share is computed by dividing net income attributable to AmerisourceBergen Corporation by the weighted average number of shares of common stock outstanding during the periods presented. Diluted earnings per share is computed by dividing net income attributable to AmerisourceBergen Corporation by the weighted average number of shares of common stock outstanding, plus the dilutive effect of stock options and restricted stock units during the periods presented.

    The following illustrates the components of diluted weighted average shares outstanding for the periods indicated:

	Three months ended June 30,		Nine months ended June 30,
(in thousands)	2021	2020	2021	2020
Weighted average common shares outstanding - basic	206,156	203,654	205,255	205,017
Dilutive effect of stock options and restricted stock units	2,756	1,890	2,424	1,697
Weighted average common shares outstanding - diluted	208,912	205,544	207,679	206,714

The potentially dilutive stock options and restricted stock units that were antidilutive for the three and nine months ended June 30, 2021 were none and 0.1 million, respectively. The potentially dilutive stock options and restricted stock units that were antidilutive for the three and nine months ended June 30, 2020 were 2.5 million and 3.6 million, respectively.

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Related Party Transactions

9 Months Ended

Jun. 30, 2021

Related Party Transactions [Abstract]

Related Party Transactions

Related Party Transactions

WBA owns more than 10% of the Company’s outstanding common stock and is, therefore, considered a related party. The Company operates under various agreements and arrangements with WBA, including a pharmaceutical distribution agreement pursuant to which the Company distributes pharmaceutical products to WBA and an agreement that provides the Company the ability to access favorable economic pricing and generic products through a generic purchasing services arrangement with Walgreens Boots Alliance Development GmbH (both through 2029) as well as a distribution agreement pursuant to which it will supply branded and generic pharmaceutical products to WBA’s Boots UK Ltd. subsidiary (through 2031).

Revenue from the various agreements and arrangements with WBA was $16.4 billion and $48.9 billion in the three and nine months ended June 30, 2021, respectively. Revenue from the various agreements and arrangements with WBA was $15.2 billion and $47.0 billion in the three and nine months ended June 30, 2020, respectively. The Company’s receivable from WBA, net of incentives, was $6.7 billion and $6.6 billion as of June 30, 2021 and September 30, 2020, respectively.

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Employee Severance, Litigation, and Other

9 Months Ended

Jun. 30, 2021

Restructuring and Related Activities [Abstract]

Employee Severance, Litigation, and Other

Employee Severance, Litigation, and Other

    The following illustrates the charges incurred by the Company relating to Employee Severance, Litigation, and Other for the periods indicated:

	Three months ended June 30,				Nine months ended June 30,
(in thousands)	2021		2020		2021		2020
Employee severance	$	6,720	$	6,523	$	6,720	$	32,368
Litigation and opioid-related costs	153,225		31,369		227,275		86,850
Acquisition-related deal and integration costs	54,674		8,306		97,149		9,109
Business transformation efforts	14,654		9,443		37,738		26,937
Other restructuring costs, net	(2,309)		2,944		6,619		10,362
Total employee severance, litigation, and other	$	226,964	$	58,585	$	375,501	$	165,626

Employee severance in the three and nine months ended June 30, 2021 primarily relate to restructuring activities in the Company's Global Commercialization Services businesses. Employee severance in the nine months ended June 30, 2020 included costs primarily related to position eliminations resulting from the Company's decision to permanently exit the PharMEDium compounding business.

Litigation and opioid-related costs in the three and nine months ended June 30, 2021 and 2020 related to legal fees in connection with opioid lawsuits and investigations. The three and nine months ended June 30, 2021 also included $124.3 million and $141.4 million, respectively, of accruals primarily related to the proposed opioid settlement (see Note 10).

Acquisition-related deal and integration costs in the three and nine months ended June 30, 2021 primarily related to the June 2021 acquisition of Alliance Healthcare.

Business transformation efforts in the three and nine months ended June 30, 2021 and 2020 primarily related to costs associated with reorganizing the Company to further align the organization to its customers' needs. The majority of these costs related to services provided by third-party consultants, including certain technology initiatives.

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Legal Matters and Contingencies

9 Months Ended

Jun. 30, 2021

Commitments and Contingencies Disclosure [Abstract]

Legal Matters and Contingencies

Legal Matters and Contingencies

In the ordinary course of its business, the Company becomes involved in lawsuits, administrative proceedings, government subpoenas, government investigations, stockholder demands, and other disputes, including antitrust, commercial, product liability, intellectual property, regulatory, employment discrimination, and other matters. Significant damages or penalties may be sought from the Company in some matters, and some matters may require years for the Company to resolve. The Company records a reserve for these matters when it is both probable that a liability has been incurred and the amount of the loss can be reasonably estimated.

For those matters for which the Company has not recognized a liability, the Company cannot predict the outcome of their impact on the Company as uncertainty remains with regard to whether such matters will proceed to trial, whether settlements will be reached, and the amount and terms of any such settlements. Outcomes may include settlements in significant amounts that are not currently estimable, limitations on the Company's conduct, the imposition of corporate integrity agreement obligations, consent decrees, and/or other civil and criminal penalties. From time to time, the Company is also involved in disputes with its customers, which the Company generally seeks to resolve through commercial negotiations. If negotiations are unsuccessful, the parties may litigate the dispute or otherwise attempt to settle the matter.

With respect to the specific legal proceedings and claims described below, unless otherwise noted, the amount or range of possible losses is not reasonably estimable. There can be no assurance that the settlement, resolution, or other outcome of one or more matters, including the matters set forth below, during any subsequent reporting period will not have a material adverse effect on the Company's results of operations or cash flows for that period or on the Company's financial condition.

Opioid Lawsuits and Investigations

A significant number of counties, municipalities, and other governmental entities in a majority of U.S. states and Puerto Rico, as well as numerous states and tribes, have filed lawsuits in various federal, state and other courts against pharmaceutical wholesale distributors (including the Company and certain subsidiaries, such as AmerisourceBergen Drug Corporation ("ABDC") and H.D. Smith), pharmaceutical manufacturers, retail pharmacy chains, medical practices, and physicians relating to the distribution of prescription opioid pain medications. Other lawsuits regarding the distribution of

prescription opioid pain medications have been filed by: third-party payors and similar entities; hospitals; hospital groups; and individuals, including cases styled as putative class actions. The lawsuits, which have been and continue to be filed in federal, state, and other courts, generally allege violations of controlled substance laws and various other statutes as well as common law claims, including negligence, public nuisance, and unjust enrichment, and seek equitable relief and monetary damages. An initial group of cases was consolidated for Multidistrict Litigation ("MDL") proceedings before the United States District Court for the Northern District of Ohio (the "Court") in December 2017. Additional cases have been, and will likely continue to be, transferred to the MDL. Further, in June 2018, the Court granted a motion permitting the United States, through the Department of Justice ("DOJ"), to participate in settlement discussions and as a friend of the Court by providing information to facilitate non-monetary remedies.

In April 2018, the Court issued an order creating a litigation track, which includes dispositive motion practice, discovery, and trials in certain bellwether jurisdictions. In December 2018, the Court issued an order selecting two cases for a second bellwether discovery and trial track. In November 2019 and January 2020, the Court filed Suggestions of Remand with the Judicial Panel on Multidistrict Litigation that identified four cases filed against the Company, including the two cases in the second bellwether trial track, for potential transfer from the MDL back to federal courts in California, Oklahoma, and West Virginia for the completion of discovery, motion practice, and trial. All four cases have now been remanded to those federal district courts. The two consolidated cases in West Virginia commenced trial on May 3, 2021. The Oklahoma case, in which the plaintiff is the Cherokee Nation, is scheduled for trial in September 2022. On January 26, 2021, the California case was stayed as to the Company and several other defendants. As such, there is no applicable trial date for that case.

On July 21, 2021, the Company announced that it and the two other national pharmaceutical distributors have negotiated a comprehensive proposed settlement agreement that, if all conditions are satisfied, would result in the resolution of a substantial majority of opioid lawsuits filed by state and local governmental entities. The proposed settlement agreement and settlement process is subject to conditions and will not become effective unless and until the Company and the two other distributors each make separate independent determinations that (1) following a 30-day sign-on period, a sufficient number of “States” (including the District of Columbia and U.S. territories) have agreed to the proposed settlement agreement (the “Settling States”); and, subsequently, (2) following a 120-day sign-on period, a sufficient number of political subdivisions in the Settling States, including those that have not sued, have agreed to the proposed settlement agreement (or otherwise had their claims foreclosed). If these conditions are satisfied, a final settlement agreement based upon the terms contained in the proposed settlement agreement would become effective sixty (60) days after the distributors determine that there is sufficient participation by political subdivisions in the Settling States. The proposed settlement agreement provides for a settlement of up to approximately $21 billion, of which the Company's portion would be 31.0%. Pursuant to the proposed settlement agreement, the Company would pay up to approximately $6.4 billion over 18 years and comply with other requirements, including establishment of a clearinghouse that will consolidate data from all three national distributors. The exact payment amount will depend on several factors, including the participation rate of states and political subdivisions, the extent to which states take action to foreclose opioid lawsuits by political subdivisions (e.g., laws barring opioid lawsuits by political subdivisions), and the extent to which political subdivisions in Settling States file additional opioid lawsuits against the distributors after a settlement agreement becomes effective. West Virginia subdivisions and Native American tribes are not a part of this settlement process and the Company has been involved in separate negotiations with these groups. The settlement process does not contemplate participation by any non-governmental or non-political entities or individuals.

While the proposed settlement agreement remains subject to contingencies that could impact whether the parties ultimately decide to move forward, the Company believes a comprehensive settlement is probable and its loss related thereto can be reasonably estimated. The Company recorded a charge of $6.6 billion in the fourth quarter of the fiscal year ended September 30, 2020 within Employee Severance, Litigation and Other in its Statement of Operations related to the settlement as well as other opioid-related litigation. The Company recorded an additional $124.3 million and $141.4 million accrual in the three and nine months ended June 30, 2021, respectively, in connection with negotiation of the proposed settlement agreement and related obligations and other opioid-related litigation. The Company currently estimates that $477.0 million will be paid prior to June 30, 2022, which is recorded in Accrued Expenses and Other on the Company’s Consolidated Balance Sheet and that $443.0 million of the total $477.0 million short-term liability will be paid into escrow on or prior to September 30, 2021. The escrow payment related to the proposed settlement agreement will be disbursed following the effective date of the settlement, or returned to the Company if the settlement does not become effective. The remaining long-term liability of $6.3 billion is recorded in Accrued Litigation Liability on the Company's Consolidated Balance Sheet. While the Company has accrued its estimated liability for this matter, it is unable to estimate the range of possible loss associated with these opioid litigation matters. Because loss contingencies are inherently unpredictable and unfavorable developments or resolutions can occur, the assessment is highly subjective and requires judgments about future events. The Company will regularly review these opioid litigation matters to determine whether its accrual is adequate. The amount of ultimate loss may differ materially from the $6.7 billion accrual. Until such time as all of the conditions to finalize the proposed settlement agreement are satisfied or the parties otherwise resolve the lawsuits, the Company will continue to litigate and prepare for trial in the cases pending in the MDL, those remanded from the MDL to federal district courts, as well as in state courts where lawsuits have been filed, and intends to continue to vigorously defend itself in all such cases. Since these matters are still developing, the Company is unable to predict the outcome, but the result of these lawsuits could include excessive monetary verdicts and/or injunctive relief that

may affect the Company's operations. Further, any final settlement among parties may differ materially from the proposed settlement agreement.

Notwithstanding the Company's total liability accrual of $6.7 billion, several cases filed in various state courts have trial dates scheduled in 2021 and later, although all such dates are subject to change. A trial in New York state for cases brought by Nassau and Suffolk Counties and the New York Attorney General against a variety of defendants, including the Company, which is not part of the MDL, commenced on June 28, 2021. On July 20, 2021, the Company and the two other distributors announced that they had reached an agreement to pay up to $1.179 billion in a settlement with the State of New York and participating subdivisions, including Nassau and Suffolk Counties, to resolve opioid-related claims, consistent with New York’s allocations under the proposed settlement agreement, as well as certain attorneys’ fees and costs. The Company's 31.0% share of the $1.179 billion settlement amount is a component of its overall $6.7 billion total liability accrual and a portion will be paid into escrow by September 30, 2021 and disbursed upon satisfaction of certain conditions including entry of a Consent Judgment. This escrow amount is also a component of the aforementioned $443.0 million payment to escrow. Under the settlement, claims in the New York state trial will be dismissed with prejudice as to the Company and the two other distributor defendants.

A trial in Washington state court for a case brought by the Washington Attorney General against ABDC and certain other pharmaceutical wholesale distributors is scheduled to begin on September 7, 2021. A trial in Ohio state court for a case brought by the Ohio Attorney General against ABDC and certain other pharmaceutical wholesale distributors is scheduled to begin on September 20, 2021.

Aside from those parties that have already filed suit, other entities, including additional attorneys general’s offices, counties, and cities in multiple states, may continue to file additional lawsuits or enforcement proceedings. The Company is vigorously defending itself in the pending lawsuits and intends to vigorously defend itself against any threatened lawsuits or enforcement proceedings.

The Company has also received subpoenas, civil investigative demands, and other requests for information, requesting the production of documents regarding the distribution of prescription opioid pain medications from government agencies in other jurisdictions, including certain states. The Company has engaged in discussions with representatives from these government agencies regarding the requests and has been producing responsive documents. The Company cannot predict how these matters would be affected by a comprehensive nationwide settlement.

Since July 2017, the Company has received subpoenas from several U.S. Attorney's Offices, including grand jury subpoenas from the U.S. Attorney's Office for the District of New Jersey ("USAO-NJ") and the U.S. Attorney's Office for the Eastern District of New York ("USAO-EDNY"). Those subpoenas request the production of a broad range of documents pertaining to the Company's distribution of controlled substances through its various subsidiaries, including ABDC, and its diversion control programs. The Company has been engaged in discussions with the various U.S. Attorney’s Offices, including the Health Care and Government Fraud Unit of the Criminal Division of the USAO-NJ, and has been producing documents in response to the subpoenas.

Subpoenas, Ongoing Investigations, and Other Contingencies

From time to time, the Company receives subpoenas or requests for information from various government agencies relating to the Company's business or to the business of a customer, supplier, or other industry participant. The Company's responses often require time and effort and can result in considerable costs being incurred. Most of these matters are resolved without incident; however, such subpoenas or requests can lead to the assertion of claims or the commencement of civil or criminal legal proceedings against the Company and other members of the healthcare industry, as well as to substantial settlements.

In January 2017, the Company's subsidiary U.S. Bioservices Corporation ("U.S. Bio") received a subpoena for information from the USAO-EDNY relating to its activities in connection with billing for products and making returns of potential overpayments to government payers. A filed qui tam complaint related to the investigation was unsealed in April 2019 and the relator filed an amended complaint under seal in the U.S. District Court for the Eastern District of New York. In December 2019, the government filed a notice that it was declining to intervene. The court ordered that the relator's complaint against the Company, including subsidiaries AmerisourceBergen Specialty Group, LLC and U.S. Bio, be unsealed. The relator’s complaint alleged violations of the federal False Claims Act and the false claims acts of various states. The relator filed a second amended complaint, removing one state false claims act count. The Company filed a motion to dismiss the second amended complaint and all briefing on the motion was filed with the court on October 9, 2020.

On October 11, 2019, Teamsters Local 443 Health Services & Insurance Plan, St. Paul Electrical Construction Pension Plan, St. Paul Electrical Construction Workers Supplemental Pension Plan (2014 Restatement), Retirement Medical Funding Plan for the St. Paul Electrical Workers, and San Antonio Fire & Police Pension Fund filed a complaint for a purported

derivative action in the Delaware Court of Chancery against the Company and certain of its current and former officers and directors (collectively, "Defendants"). The complaint alleges that the Defendants breached their fiduciary duties by failing to oversee the compliance by certain of the Company's subsidiaries (including the Company's former subsidiary Medical Initiatives, Inc. ("MII")) with federal regulations, allegedly resulting in the payment of fines and penalties in connection with the settlements with the USAO-EDNY in fiscal 2017 and 2018 that resolved claims arising from MII's pre-filled syringe program. In December 2019, Defendants filed a motion to dismiss the complaint. After briefing and oral argument, on August 24, 2020 the Delaware Court of Chancery denied Defendants' motion to dismiss. On September 24, 2020, the Board of Directors of the Company established a Special Litigation Committee to conduct an investigation concerning the plaintiffs’ allegations. On October 28, 2020, the Special Litigation Committee filed a motion to stay the litigation pending completion of its investigation. On November 10, 2020, the Delaware Court of Chancery granted the Special Litigation Committee’s motion to stay the litigation until May 9, 2021. On May 7, 2021, the Delaware Court of Chancery extended the stay through May 28, 2021. On May 22, 2021, the Special Litigation Committee and Company filed a Joint Motion for Entry of Order Under Delaware Rule of Evidence 510(f) and Permitting Confidential Filing (“Rule 510(f) Motion”). On May 25, 2021, the parties filed a Stipulation and Proposed Order Regarding Further Extension of the Stay and Briefing of Rule 510(f) Motion, in which the parties agreed that the Special Litigation Committee’s deadline to file its report would be extended until three business days after the Court rules on the Special Litigation Committee’s and Company’s Rule 510(f) Motion. The Court granted the parties’ stipulation and proposed order on May 26, 2021. The Plaintiffs opposed the Rule 510(f) Motion on May 28, 2021. On June 2, 2021, the Special Litigation Committee and Company filed a reply in support of the Rule 510(f) Motion, which remains pending.

On July 17, 2020, CCAR Investments, Inc. filed a complaint for a purported derivative action in the United States District Court for the District of Delaware against the Company and certain of its current and former officers and directors (“CCAR Defendants”). The complaint alleges claims for breach of fiduciary duty, corporate waste and unjust enrichment allegedly arising from the Company’s controlled substance diversion control programs and violation of Section 14(a) of the Securities Exchange Act of 1934. On August 14, 2020, the CCAR Defendants answered the complaint and filed a motion for judgment on the pleadings. On October 29, 2020 the parties filed a stipulation permitting CCAR Investments, Inc. to file an amended complaint on or before November 20, 2020. On December 4, 2020, the parties filed a stipulation staying the deadline for CCAR Investments, Inc. to file an amended complaint pending the Company’s production of certain documents to CCAR Investments, Inc. The Company’s production was completed on January 29, 2021 and the case remains stayed while the plaintiff completes its review.

In December 2019, Reliable Pharmacy, together with other retail pharmacies and North Sunflower Medical Center, filed a civil antitrust complaint against multiple generic drug manufacturers, and also included claims against the Company, H.D. Smith, and other drug distributors and industry participants. The case is filed as a putative class action and plaintiffs purport to represent a class of drug purchasers including other retail pharmacies and healthcare providers. The case has been consolidated for multidistrict litigation proceedings before the United States District Court for the Eastern District of Pennsylvania. The complaint alleges that the Company and others in the industry participated in a conspiracy to fix prices, allocate markets and rig bids regarding generic drugs. In March 2020, the plaintiffs filed a further amended complaint. On July 15, 2020, the Company and other industry participants filed a motion to dismiss the complaint. The motion to dismiss is fully briefed and the parties are awaiting a ruling from the court.

Litigation Settlements

Antitrust Settlements

Numerous lawsuits have been filed against certain brand pharmaceutical manufacturers alleging that the manufacturer, by itself or in concert with others, took improper actions to delay or prevent generic drugs from entering the market. These lawsuits are generally brought as class actions. The Company is not typically named as a plaintiff in these lawsuits, but has been a member of the direct purchasers' class (i.e., those purchasers who purchase directly from these pharmaceutical manufacturers). None of the lawsuits have gone to trial, but some have settled in the past with the Company receiving proceeds from the settlement funds. The Company recognized gains of $147.4 million during the three and nine months ended June 30, 2021. The Company recognized gains of $8.5 million during the nine months ended June 30, 2020, related to these lawsuits. These gains, which are net of attorney fees and estimated payments due to other parties, were recorded as reductions to cost of goods sold in the Company’s Consolidated Statements of Operations

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Litigation Settlements

9 Months Ended

Jun. 30, 2021

Commitments and Contingencies Disclosure [Abstract]

Litigation Settlements

Legal Matters and Contingencies

In the ordinary course of its business, the Company becomes involved in lawsuits, administrative proceedings, government subpoenas, government investigations, stockholder demands, and other disputes, including antitrust, commercial, product liability, intellectual property, regulatory, employment discrimination, and other matters. Significant damages or penalties may be sought from the Company in some matters, and some matters may require years for the Company to resolve. The Company records a reserve for these matters when it is both probable that a liability has been incurred and the amount of the loss can be reasonably estimated.

For those matters for which the Company has not recognized a liability, the Company cannot predict the outcome of their impact on the Company as uncertainty remains with regard to whether such matters will proceed to trial, whether settlements will be reached, and the amount and terms of any such settlements. Outcomes may include settlements in significant amounts that are not currently estimable, limitations on the Company's conduct, the imposition of corporate integrity agreement obligations, consent decrees, and/or other civil and criminal penalties. From time to time, the Company is also involved in disputes with its customers, which the Company generally seeks to resolve through commercial negotiations. If negotiations are unsuccessful, the parties may litigate the dispute or otherwise attempt to settle the matter.

With respect to the specific legal proceedings and claims described below, unless otherwise noted, the amount or range of possible losses is not reasonably estimable. There can be no assurance that the settlement, resolution, or other outcome of one or more matters, including the matters set forth below, during any subsequent reporting period will not have a material adverse effect on the Company's results of operations or cash flows for that period or on the Company's financial condition.

Opioid Lawsuits and Investigations

A significant number of counties, municipalities, and other governmental entities in a majority of U.S. states and Puerto Rico, as well as numerous states and tribes, have filed lawsuits in various federal, state and other courts against pharmaceutical wholesale distributors (including the Company and certain subsidiaries, such as AmerisourceBergen Drug Corporation ("ABDC") and H.D. Smith), pharmaceutical manufacturers, retail pharmacy chains, medical practices, and physicians relating to the distribution of prescription opioid pain medications. Other lawsuits regarding the distribution of

prescription opioid pain medications have been filed by: third-party payors and similar entities; hospitals; hospital groups; and individuals, including cases styled as putative class actions. The lawsuits, which have been and continue to be filed in federal, state, and other courts, generally allege violations of controlled substance laws and various other statutes as well as common law claims, including negligence, public nuisance, and unjust enrichment, and seek equitable relief and monetary damages. An initial group of cases was consolidated for Multidistrict Litigation ("MDL") proceedings before the United States District Court for the Northern District of Ohio (the "Court") in December 2017. Additional cases have been, and will likely continue to be, transferred to the MDL. Further, in June 2018, the Court granted a motion permitting the United States, through the Department of Justice ("DOJ"), to participate in settlement discussions and as a friend of the Court by providing information to facilitate non-monetary remedies.

In April 2018, the Court issued an order creating a litigation track, which includes dispositive motion practice, discovery, and trials in certain bellwether jurisdictions. In December 2018, the Court issued an order selecting two cases for a second bellwether discovery and trial track. In November 2019 and January 2020, the Court filed Suggestions of Remand with the Judicial Panel on Multidistrict Litigation that identified four cases filed against the Company, including the two cases in the second bellwether trial track, for potential transfer from the MDL back to federal courts in California, Oklahoma, and West Virginia for the completion of discovery, motion practice, and trial. All four cases have now been remanded to those federal district courts. The two consolidated cases in West Virginia commenced trial on May 3, 2021. The Oklahoma case, in which the plaintiff is the Cherokee Nation, is scheduled for trial in September 2022. On January 26, 2021, the California case was stayed as to the Company and several other defendants. As such, there is no applicable trial date for that case.

On July 21, 2021, the Company announced that it and the two other national pharmaceutical distributors have negotiated a comprehensive proposed settlement agreement that, if all conditions are satisfied, would result in the resolution of a substantial majority of opioid lawsuits filed by state and local governmental entities. The proposed settlement agreement and settlement process is subject to conditions and will not become effective unless and until the Company and the two other distributors each make separate independent determinations that (1) following a 30-day sign-on period, a sufficient number of “States” (including the District of Columbia and U.S. territories) have agreed to the proposed settlement agreement (the “Settling States”); and, subsequently, (2) following a 120-day sign-on period, a sufficient number of political subdivisions in the Settling States, including those that have not sued, have agreed to the proposed settlement agreement (or otherwise had their claims foreclosed). If these conditions are satisfied, a final settlement agreement based upon the terms contained in the proposed settlement agreement would become effective sixty (60) days after the distributors determine that there is sufficient participation by political subdivisions in the Settling States. The proposed settlement agreement provides for a settlement of up to approximately $21 billion, of which the Company's portion would be 31.0%. Pursuant to the proposed settlement agreement, the Company would pay up to approximately $6.4 billion over 18 years and comply with other requirements, including establishment of a clearinghouse that will consolidate data from all three national distributors. The exact payment amount will depend on several factors, including the participation rate of states and political subdivisions, the extent to which states take action to foreclose opioid lawsuits by political subdivisions (e.g., laws barring opioid lawsuits by political subdivisions), and the extent to which political subdivisions in Settling States file additional opioid lawsuits against the distributors after a settlement agreement becomes effective. West Virginia subdivisions and Native American tribes are not a part of this settlement process and the Company has been involved in separate negotiations with these groups. The settlement process does not contemplate participation by any non-governmental or non-political entities or individuals.

While the proposed settlement agreement remains subject to contingencies that could impact whether the parties ultimately decide to move forward, the Company believes a comprehensive settlement is probable and its loss related thereto can be reasonably estimated. The Company recorded a charge of $6.6 billion in the fourth quarter of the fiscal year ended September 30, 2020 within Employee Severance, Litigation and Other in its Statement of Operations related to the settlement as well as other opioid-related litigation. The Company recorded an additional $124.3 million and $141.4 million accrual in the three and nine months ended June 30, 2021, respectively, in connection with negotiation of the proposed settlement agreement and related obligations and other opioid-related litigation. The Company currently estimates that $477.0 million will be paid prior to June 30, 2022, which is recorded in Accrued Expenses and Other on the Company’s Consolidated Balance Sheet and that $443.0 million of the total $477.0 million short-term liability will be paid into escrow on or prior to September 30, 2021. The escrow payment related to the proposed settlement agreement will be disbursed following the effective date of the settlement, or returned to the Company if the settlement does not become effective. The remaining long-term liability of $6.3 billion is recorded in Accrued Litigation Liability on the Company's Consolidated Balance Sheet. While the Company has accrued its estimated liability for this matter, it is unable to estimate the range of possible loss associated with these opioid litigation matters. Because loss contingencies are inherently unpredictable and unfavorable developments or resolutions can occur, the assessment is highly subjective and requires judgments about future events. The Company will regularly review these opioid litigation matters to determine whether its accrual is adequate. The amount of ultimate loss may differ materially from the $6.7 billion accrual. Until such time as all of the conditions to finalize the proposed settlement agreement are satisfied or the parties otherwise resolve the lawsuits, the Company will continue to litigate and prepare for trial in the cases pending in the MDL, those remanded from the MDL to federal district courts, as well as in state courts where lawsuits have been filed, and intends to continue to vigorously defend itself in all such cases. Since these matters are still developing, the Company is unable to predict the outcome, but the result of these lawsuits could include excessive monetary verdicts and/or injunctive relief that

may affect the Company's operations. Further, any final settlement among parties may differ materially from the proposed settlement agreement.

Notwithstanding the Company's total liability accrual of $6.7 billion, several cases filed in various state courts have trial dates scheduled in 2021 and later, although all such dates are subject to change. A trial in New York state for cases brought by Nassau and Suffolk Counties and the New York Attorney General against a variety of defendants, including the Company, which is not part of the MDL, commenced on June 28, 2021. On July 20, 2021, the Company and the two other distributors announced that they had reached an agreement to pay up to $1.179 billion in a settlement with the State of New York and participating subdivisions, including Nassau and Suffolk Counties, to resolve opioid-related claims, consistent with New York’s allocations under the proposed settlement agreement, as well as certain attorneys’ fees and costs. The Company's 31.0% share of the $1.179 billion settlement amount is a component of its overall $6.7 billion total liability accrual and a portion will be paid into escrow by September 30, 2021 and disbursed upon satisfaction of certain conditions including entry of a Consent Judgment. This escrow amount is also a component of the aforementioned $443.0 million payment to escrow. Under the settlement, claims in the New York state trial will be dismissed with prejudice as to the Company and the two other distributor defendants.

A trial in Washington state court for a case brought by the Washington Attorney General against ABDC and certain other pharmaceutical wholesale distributors is scheduled to begin on September 7, 2021. A trial in Ohio state court for a case brought by the Ohio Attorney General against ABDC and certain other pharmaceutical wholesale distributors is scheduled to begin on September 20, 2021.

Aside from those parties that have already filed suit, other entities, including additional attorneys general’s offices, counties, and cities in multiple states, may continue to file additional lawsuits or enforcement proceedings. The Company is vigorously defending itself in the pending lawsuits and intends to vigorously defend itself against any threatened lawsuits or enforcement proceedings.

The Company has also received subpoenas, civil investigative demands, and other requests for information, requesting the production of documents regarding the distribution of prescription opioid pain medications from government agencies in other jurisdictions, including certain states. The Company has engaged in discussions with representatives from these government agencies regarding the requests and has been producing responsive documents. The Company cannot predict how these matters would be affected by a comprehensive nationwide settlement.

Since July 2017, the Company has received subpoenas from several U.S. Attorney's Offices, including grand jury subpoenas from the U.S. Attorney's Office for the District of New Jersey ("USAO-NJ") and the U.S. Attorney's Office for the Eastern District of New York ("USAO-EDNY"). Those subpoenas request the production of a broad range of documents pertaining to the Company's distribution of controlled substances through its various subsidiaries, including ABDC, and its diversion control programs. The Company has been engaged in discussions with the various U.S. Attorney’s Offices, including the Health Care and Government Fraud Unit of the Criminal Division of the USAO-NJ, and has been producing documents in response to the subpoenas.

Subpoenas, Ongoing Investigations, and Other Contingencies

From time to time, the Company receives subpoenas or requests for information from various government agencies relating to the Company's business or to the business of a customer, supplier, or other industry participant. The Company's responses often require time and effort and can result in considerable costs being incurred. Most of these matters are resolved without incident; however, such subpoenas or requests can lead to the assertion of claims or the commencement of civil or criminal legal proceedings against the Company and other members of the healthcare industry, as well as to substantial settlements.

In January 2017, the Company's subsidiary U.S. Bioservices Corporation ("U.S. Bio") received a subpoena for information from the USAO-EDNY relating to its activities in connection with billing for products and making returns of potential overpayments to government payers. A filed qui tam complaint related to the investigation was unsealed in April 2019 and the relator filed an amended complaint under seal in the U.S. District Court for the Eastern District of New York. In December 2019, the government filed a notice that it was declining to intervene. The court ordered that the relator's complaint against the Company, including subsidiaries AmerisourceBergen Specialty Group, LLC and U.S. Bio, be unsealed. The relator’s complaint alleged violations of the federal False Claims Act and the false claims acts of various states. The relator filed a second amended complaint, removing one state false claims act count. The Company filed a motion to dismiss the second amended complaint and all briefing on the motion was filed with the court on October 9, 2020.

On October 11, 2019, Teamsters Local 443 Health Services & Insurance Plan, St. Paul Electrical Construction Pension Plan, St. Paul Electrical Construction Workers Supplemental Pension Plan (2014 Restatement), Retirement Medical Funding Plan for the St. Paul Electrical Workers, and San Antonio Fire & Police Pension Fund filed a complaint for a purported

derivative action in the Delaware Court of Chancery against the Company and certain of its current and former officers and directors (collectively, "Defendants"). The complaint alleges that the Defendants breached their fiduciary duties by failing to oversee the compliance by certain of the Company's subsidiaries (including the Company's former subsidiary Medical Initiatives, Inc. ("MII")) with federal regulations, allegedly resulting in the payment of fines and penalties in connection with the settlements with the USAO-EDNY in fiscal 2017 and 2018 that resolved claims arising from MII's pre-filled syringe program. In December 2019, Defendants filed a motion to dismiss the complaint. After briefing and oral argument, on August 24, 2020 the Delaware Court of Chancery denied Defendants' motion to dismiss. On September 24, 2020, the Board of Directors of the Company established a Special Litigation Committee to conduct an investigation concerning the plaintiffs’ allegations. On October 28, 2020, the Special Litigation Committee filed a motion to stay the litigation pending completion of its investigation. On November 10, 2020, the Delaware Court of Chancery granted the Special Litigation Committee’s motion to stay the litigation until May 9, 2021. On May 7, 2021, the Delaware Court of Chancery extended the stay through May 28, 2021. On May 22, 2021, the Special Litigation Committee and Company filed a Joint Motion for Entry of Order Under Delaware Rule of Evidence 510(f) and Permitting Confidential Filing (“Rule 510(f) Motion”). On May 25, 2021, the parties filed a Stipulation and Proposed Order Regarding Further Extension of the Stay and Briefing of Rule 510(f) Motion, in which the parties agreed that the Special Litigation Committee’s deadline to file its report would be extended until three business days after the Court rules on the Special Litigation Committee’s and Company’s Rule 510(f) Motion. The Court granted the parties’ stipulation and proposed order on May 26, 2021. The Plaintiffs opposed the Rule 510(f) Motion on May 28, 2021. On June 2, 2021, the Special Litigation Committee and Company filed a reply in support of the Rule 510(f) Motion, which remains pending.

On July 17, 2020, CCAR Investments, Inc. filed a complaint for a purported derivative action in the United States District Court for the District of Delaware against the Company and certain of its current and former officers and directors (“CCAR Defendants”). The complaint alleges claims for breach of fiduciary duty, corporate waste and unjust enrichment allegedly arising from the Company’s controlled substance diversion control programs and violation of Section 14(a) of the Securities Exchange Act of 1934. On August 14, 2020, the CCAR Defendants answered the complaint and filed a motion for judgment on the pleadings. On October 29, 2020 the parties filed a stipulation permitting CCAR Investments, Inc. to file an amended complaint on or before November 20, 2020. On December 4, 2020, the parties filed a stipulation staying the deadline for CCAR Investments, Inc. to file an amended complaint pending the Company’s production of certain documents to CCAR Investments, Inc. The Company’s production was completed on January 29, 2021 and the case remains stayed while the plaintiff completes its review.

In December 2019, Reliable Pharmacy, together with other retail pharmacies and North Sunflower Medical Center, filed a civil antitrust complaint against multiple generic drug manufacturers, and also included claims against the Company, H.D. Smith, and other drug distributors and industry participants. The case is filed as a putative class action and plaintiffs purport to represent a class of drug purchasers including other retail pharmacies and healthcare providers. The case has been consolidated for multidistrict litigation proceedings before the United States District Court for the Eastern District of Pennsylvania. The complaint alleges that the Company and others in the industry participated in a conspiracy to fix prices, allocate markets and rig bids regarding generic drugs. In March 2020, the plaintiffs filed a further amended complaint. On July 15, 2020, the Company and other industry participants filed a motion to dismiss the complaint. The motion to dismiss is fully briefed and the parties are awaiting a ruling from the court.

Litigation Settlements

Antitrust Settlements

Numerous lawsuits have been filed against certain brand pharmaceutical manufacturers alleging that the manufacturer, by itself or in concert with others, took improper actions to delay or prevent generic drugs from entering the market. These lawsuits are generally brought as class actions. The Company is not typically named as a plaintiff in these lawsuits, but has been a member of the direct purchasers' class (i.e., those purchasers who purchase directly from these pharmaceutical manufacturers). None of the lawsuits have gone to trial, but some have settled in the past with the Company receiving proceeds from the settlement funds. The Company recognized gains of $147.4 million during the three and nine months ended June 30, 2021. The Company recognized gains of $8.5 million during the nine months ended June 30, 2020, related to these lawsuits. These gains, which are net of attorney fees and estimated payments due to other parties, were recorded as reductions to cost of goods sold in the Company’s Consolidated Statements of Operations

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Fair Value of Financial Instruments

9 Months Ended

Jun. 30, 2021

Fair Value Disclosures [Abstract]

Fair Value of Financial Instruments

Fair Value of Financial Instruments

The recorded amounts of the Company's cash and cash equivalents, accounts receivable, and accounts payable as of June 30, 2021 and September 30, 2020 approximate fair value based upon the relatively short-term nature of these financial instruments. Within Cash and Cash Equivalents, the Company had $644.0 million of investments in money market accounts as of June 30, 2021 and had $2,548.0 million of investments in money market accounts as of September 30, 2020. The fair value of the money market accounts was determined based upon unadjusted quoted prices in active markets for identical assets, otherwise known as Level 1 inputs.

The recorded amount of long-term debt (see Note 6) and the corresponding fair value as of June 30, 2021 were $6,647.2 million and $7,008.3 million, respectively. The recorded amount of long-term debt and the corresponding fair value as of September 30, 2020 were $3,618.3 million and $4,026.4 million, respectively. The fair value of long-term debt was determined based upon inputs other than quoted prices, otherwise known as Level 2 inputs.

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Business Segment Information

9 Months Ended

Jun. 30, 2021

Segment Reporting [Abstract]

Business Segment Information

Business Segment Information

    The Company is organized based upon the products and services it provides to its customers. The Company's operations are comprised of the Pharmaceutical Distribution Services reportable segment and other operating segments that are not significant enough to require separate reportable segment disclosure and, therefore, have been included in Other for the purpose of reportable segment presentation. Other consists of operating segments that focus on global commercialization services, animal health (MWI Animal Health), and international pharmaceutical wholesale and related service operations (Alliance Healthcare). The operating segments that focus on global commercialization services include AmerisourceBergen Consulting Services and World Courier.

The following illustrates reportable and operating segment disaggregated revenue as required by Accounting Standards Codification 606 for the periods indicated:

	Three months ended June 30,				Nine months ended June 30,
(in thousands)	2021		2020		2021		2020
Pharmaceutical Distribution Services	$	49,312,013	$	43,579,119	$	146,905,854	$	135,178,617
Other:
MWI Animal Health	1,193,530		1,008,581		3,442,494		3,079,915
Alliance Healthcare	1,924,858		—		1,924,858		—
Global Commercialization Services	1,009,878		801,952		2,905,960		2,454,195
Total Other	4,128,266		1,810,533		8,273,312		5,534,110
Intersegment eliminations	(34,584)		(22,875)		(102,744)		(63,569)
Revenue	$	53,405,695	$	45,366,777	$	155,076,422	$	140,649,158

Intersegment eliminations primarily represent the elimination of certain Pharmaceutical Distribution Services reportable segment sales to MWI Animal Health.

The following illustrates reportable segment operating income for the periods indicated:

	Three months ended June 30,				Nine months ended June 30,
(in thousands)	2021		2020		2021		2020
Pharmaceutical Distribution Services	$	483,914	$	426,643	$	1,569,014	$	1,381,434
Other	146,869		82,875		391,696		295,614
Intersegment eliminations	(162)		(1,996)		(6,615)		(2,575)
Total segment operating income	$	630,621	$	507,522	$	1,954,095	$	1,674,473

The following reconciles total segment operating income to income before income taxes for the periods indicated:

	Three months ended June 30,				Nine months ended June 30,
(in thousands)	2021		2020		2021		2020
Total segment operating income	$	630,621	$	507,522	$	1,954,095	$	1,674,473
Gains from antitrust litigation settlements	147,432		—		147,432		8,546
LIFO credit (expense)	113,920		(6,061)		160,565		(43,195)
PharMEDium remediation costs	—		—		—		(16,165)
PharMEDium shutdown costs	—		(12,936)		—		(45,406)
Contingent consideration adjustment	—		—		—		12,153
Acquisition-related intangibles amortization	(44,282)		(25,109)		(94,289)		(85,345)
Employee severance, litigation, and other	(226,964)		(58,585)		(375,501)		(165,626)
Impairment of PharMEDium assets	—		—		—		(361,652)
Operating income	620,727		404,831		1,792,302		977,783
Other (income) loss, net	(4,141)		1,073		4,901		2,806
Interest expense, net	51,338		37,748		119,478		103,176
Loss on early retirement of debt	—		22,175		—		22,175
Income before income taxes	$	573,530	$	343,835	$	1,667,923	$	849,626

Segment operating income is evaluated by the chief operating decision maker ("CODM") of the Company before gains from antitrust litigation settlements; LIFO credit (expense); PharMEDium remediation costs; PharMEDium shutdown costs; contingent consideration adjustment; acquisition-related intangibles amortization; employee severance, litigation, and other; and impairment of PharMEDium assets. All corporate office expenses are allocated to the operating segment level.

The Company incurred remediation costs in connection with the suspended production activities at PharMEDium in the nine months ended June 30, 2020. These remediation costs are primarily classified in Cost of Goods Sold in the Consolidated Statements of Operations. The Company incurred costs in connection with exiting the PharMEDium compounding business in the three and nine months ended June 30, 2020. These shutdown costs are primarily classified in Distribution, Selling, and Administrative expenses in the Consolidated Statements of Operations.

One of the Company's non-wholly-owned subsidiaries, Profarma, which the Company consolidates based on certain governance rights (see Note 3), adjusted its previous estimate of contingent consideration related to the purchase price of one of its prior business acquisitions in the nine months ended June 30, 2020.

The Company recorded foreign currency income of $6.2 million in the three months ended June 30, 2021 and a foreign currency loss of $1.1 million in the nine months ended June 30, 2021 on the remeasurement of deferred tax assets relating to Swiss tax reform in Other (Income) Loss, Net in the Consolidated Statements of Operations.

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Summary of Significant Accounting Policies (Policies)

9 Months Ended

Jun. 30, 2021

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

The accompanying financial statements present the consolidated financial position, results of operations, and cash flows of AmerisourceBergen Corporation and its subsidiaries, including less-than-wholly-owned subsidiaries in which AmerisourceBergen Corporation has a controlling financial interest (the "Company"), as of the dates and for the periods indicated. All significant intercompany accounts and transactions have been eliminated in consolidation.

The accompanying unaudited consolidated financial statements have been prepared in conformity with U.S. generally accepted accounting principles ("GAAP") for interim financial information, the instructions to Form 10-Q, and Rule 10-01 of Regulation S-X. In the opinion of management, all adjustments (consisting only of normal recurring accruals, except as otherwise disclosed herein) considered necessary to present fairly the financial position as of June 30, 2021 and the results of operations and cash flows for the interim periods ended June 30, 2021 and 2020 have been included. Certain information and footnote disclosures normally included in financial statements presented in accordance with U.S. GAAP, but which are not required for interim reporting purposes, have been omitted. The accompanying unaudited consolidated financial statements should be read in conjunction with the financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the fiscal year ended September 30, 2020.

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect amounts reported in the financial statements and accompanying notes. Actual amounts could differ from these estimated amounts. Certain reclassifications have been made to prior-period amounts in order to conform to the current year presentation.

Restricted Cash

The Company's Alliance Healthcare (see Note 2) business is required to maintain certain cash deposits with banks mainly consisting of deposits restricted under contractual agency agreements and cash restricted by law and other obligations.

The following represents a reconciliation of cash and cash equivalents in the Consolidated Balance Sheets to cash, cash equivalents, and restricted cash in the Consolidated Statements of Cash Flows:

(amounts in thousands)	June 30, 2021		September 30, 2020
	(unaudited)
Cash and cash equivalents	$	2,553,217	$	4,597,746
Restricted cash (included in Prepaid Expenses and Other)	128,526		—
Cash, cash equivalents, and restricted cash	$	2,681,743	$	4,597,746

Cash and Cash Equivalents, Restricted Cash and Cash Equivalents

Restricted Cash

The Company's Alliance Healthcare (see Note 2) business is required to maintain certain cash deposits with banks mainly consisting of deposits restricted under contractual agency agreements and cash restricted by law and other obligations.

Recently Adopted Accounting Pronouncements and Recently Issued Accounting Pronouncements Not Yet Adopted

Recently Adopted Accounting Pronouncements

In June 2016, the FASB issued ASU No. 2016-13, "Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments" ("ASU 2016-13"). ASU 2016-13 requires financial assets measured at amortized cost to be presented at the net amount expected to be collected. The measurement of expected credit losses is based on relevant information about past events, including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectibility of the reported amounts. An entity must use judgment in determining the relevant information and estimation methods that are appropriate in its circumstances. ASU 2016-13 was effective for annual reporting periods beginning after December 15, 2019, including interim periods within those fiscal years, and a modified retrospective approach was required, with a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance was effective.

The Company adopted ASU 2016-13 as of October 1, 2020. In connection with the adoption of ASU 2016-13, the Company recognized a $21.1 million, net of tax of $6.1 million, cumulative adjustment to retained earnings. The Company evaluates its receivables for risk of loss by grouping its receivables with similar risk characteristics. Expected losses are determined based on a combination of historical loss trends, current economic conditions, and forward-looking risk factors.

Recently Issued Accounting Pronouncements Not Yet Adopted

In December 2019, the FASB issued ASU No. 2019-12, "Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes" ("ASU 2019-12"). ASU 2019-12 removes certain exceptions to the general principles in ASC 740 in order to reduce the cost and complexity of its application. ASU 2019-12 is effective for annual reporting periods beginning after December 15, 2020, including interim periods within those fiscal years, with certain amendments applied on a modified retrospective basis, with a cumulative-effect adjustment to retained earnings as of the beginning of the fiscal year of adoption, and others prospectively. Early adoption of this guidance is permitted, including the adoption in any interim period for public companies for periods for which financial statements have not yet been issued. The Company is currently evaluating the impact of adopting this new accounting guidance.

As of June 30, 2021, there were no other recently-issued accounting standards that may have a material impact on the Company’s financial position, results of operations, cash flows, or notes to the financial statements upon their adoption.

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Summary of Significant Accounting Policies (Tables)

9 Months Ended

Jun. 30, 2021

Accounting Policies [Abstract]

Schedule of cash and cash equivalents

The following represents a reconciliation of cash and cash equivalents in the Consolidated Balance Sheets to cash, cash equivalents, and restricted cash in the Consolidated Statements of Cash Flows:

(amounts in thousands)	June 30, 2021		September 30, 2020
	(unaudited)
Cash and cash equivalents	$	2,553,217	$	4,597,746
Restricted cash (included in Prepaid Expenses and Other)	128,526		—
Cash, cash equivalents, and restricted cash	$	2,681,743	$	4,597,746

Restrictions on cash and cash equivalents

The following represents a reconciliation of cash and cash equivalents in the Consolidated Balance Sheets to cash, cash equivalents, and restricted cash in the Consolidated Statements of Cash Flows:

(amounts in thousands)	June 30, 2021		September 30, 2020
	(unaudited)
Cash and cash equivalents	$	2,553,217	$	4,597,746
Restricted cash (included in Prepaid Expenses and Other)	128,526		—
Cash, cash equivalents, and restricted cash	$	2,681,743	$	4,597,746

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Acquisition (Tables)

9 Months Ended

Jun. 30, 2021

Business Combination and Asset Acquisition [Abstract]

Schedule assets acquired and liabilities assumed

The purchase price has been preliminarily allocated to the underlying assets acquired and liabilities assumed based upon their estimated fair values at the date of the acquisition in the table that follows. The preliminary allocation is pending the finalization of the third-party appraisals of intangible assets and the corresponding deferred taxes, as well as the finalization of working capital account balances and lease right-of-use assets and liabilities. There can be no assurance that the estimated amounts recorded will represent the final purchase price allocation.

(in thousands)
Consideration
Cash	$	6,602,020
Equity (2 million shares of AmerisourceBergen Corporation common stock)	229,080
Estimated accrued consideration	118,213
Other equity consideration	6,061
Fair value of total consideration	$	6,955,374
Recognized amounts of identifiable assets acquired and liabilities assumed
Cash and cash equivalents	$	921,995
Accounts receivable	3,703,895
Inventories	1,655,291
Prepaid expenses and other	381,888
Property and equipment	633,057
Goodwill	2,488,802
Other intangible assets	3,735,000
Other assets	496,443
Total assets acquired	14,016,371
Accounts payable	(4,618,807)
Accrued expenses and other	(762,223)
Short-term debt	(353,420)
Deferred income taxes	(790,134)
Other liabilities	(358,149)
Total liabilities assumed	(6,882,733)
Net assets acquired	7,133,638
Noncontrolling interest	(178,264)
Equity consideration	(235,141)
Estimated accrued consideration	(118,213)
Cash acquired, including restricted cash of $143,308 included in Prepaid Expenses and Other	(1,065,303)
Net cash paid	$	5,536,717

Schedule of fair value of the intangible assets acquired

The estimated fair value of the intangible assets acquired of $3.7 billion and the estimated useful lives are as follows:

(in thousands, except useful lives)	Fair Value		Weighted-Average Useful Life
Customer relationships	$	3,327,000	18
Trade names	408,000		11
Total	$	3,735,000

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Variable Interest Entity (Tables)

9 Months Ended

Jun. 30, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of VIE's assets and liabilities

The following assets and liabilities of Profarma are included in the Company's Consolidated Balance Sheets:

(in thousands)	June 30, 2021		September 30, 2020
Cash and cash equivalents	$	35,498	$	96,983
Accounts receivables, net	159,245		120,486
Inventories	209,911		144,059
Prepaid expenses and other	74,781		52,885
Property and equipment, net	31,017		23,584
Goodwill	82,309		82,309
Other intangible assets	71,886		73,543
Other long-term assets	74,629		53,513
Total assets	$	739,276	$	647,362
Accounts payable	$	169,576	$	141,147
Accrued expenses and other	39,901		34,415
Short-term debt	96,802		98,399
Long-term debt	67,828		44,144
Deferred income taxes	37,985		38,854
Other long-term liabilities	60,427		43,413
Total liabilities	$	472,519	$	400,372

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Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Jun. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in the carrying value of goodwill by reportable segment

The following is a summary of the changes in the carrying value of goodwill, by reportable segment, for the nine months ended June 30, 2021:

(in thousands)	Pharmaceutical Distribution Services		Other		Total
Goodwill as of September 30, 2020	$	4,852,775	$	1,853,944	$	6,706,719
Goodwill recognized in connection with acquisitions (see Note 2)	—		2,488,802		2,488,802
Foreign currency translation	—		(62,798)		(62,798)
Goodwill as of June 30, 2021	$	4,852,775	$	4,279,948	$	9,132,723

Schedule of indefinite-lived intangible assets

The following is a summary of other intangible assets:

	June 30, 2021							September 30, 2020
(in thousands)	Weighted Average Remaining Useful Life	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Indefinite-lived trade names		$	685,470	$	—	$	685,470	$	685,312	$	—	$	685,312
Finite-lived:
Customer relationships	16 years	4,919,920		(648,733)		4,271,187		1,671,888		(565,372)		1,106,516
Trade names and other	12 years	610,507		(129,339)		481,168		210,394		(116,115)		94,279
Total other intangible assets		$	6,215,897	$	(778,072)	$	5,437,825	$	2,567,594	$	(681,487)	$	1,886,107

Schedule of finite-lived intangible assets

The following is a summary of other intangible assets:

	June 30, 2021							September 30, 2020
(in thousands)	Weighted Average Remaining Useful Life	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Indefinite-lived trade names		$	685,470	$	—	$	685,470	$	685,312	$	—	$	685,312
Finite-lived:
Customer relationships	16 years	4,919,920		(648,733)		4,271,187		1,671,888		(565,372)		1,106,516
Trade names and other	12 years	610,507		(129,339)		481,168		210,394		(116,115)		94,279
Total other intangible assets		$	6,215,897	$	(778,072)	$	5,437,825	$	2,567,594	$	(681,487)	$	1,886,107

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Debt (Tables)

9 Months Ended

Jun. 30, 2021

Debt Disclosure [Abstract]

Schedule of debt instruments

Debt consisted of the following:

(in thousands)	June 30, 2021		September 30, 2020
Revolving credit note	$	—	$	—
Term loan due in October 2020	—		399,982
Receivables securitization facility due 2022	350,000		350,000
364-day revolving credit facility	—		—
Term loan due in June 2023	499,661		—
Overdraft facility due 2024 (£10,000)	—		—
Multi-currency revolving credit facility due 2024	—		—
$1,525,000, 0.737% senior notes due 2023	1,517,263		—
$500,000, 3.400% senior notes due 2024	498,600		498,232
$500,000, 3.250% senior notes due 2025	497,499		496,990
$750,000, 3.450% senior notes due 2027	744,571		743,940
$500,000, 2.800% senior notes due 2030	494,585		494,045
$1,000,000, 2.700% senior notes due 2031	989,275		—
$500,000, 4.250% senior notes due 2045	494,892		494,730
$500,000, 4.300% senior notes due 2047	492,955		492,755
Alliance Healthcare debt	354,975		—
Nonrecourse debt	168,516		148,846
Total debt	7,102,792		4,119,520
Less AmerisourceBergen Corporation current portion	—		399,982
Less Alliance Healthcare current portion	354,975		—
Less nonrecourse current portion	100,634		101,277
Total, net of current portion	$	6,647,183	$	3,618,261

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Stockholders' Equity and Earnings per Share (Tables)

9 Months Ended

Jun. 30, 2021

Equity [Abstract]

Schedule of weighted average number of common shares outstanding

The following illustrates the components of diluted weighted average shares outstanding for the periods indicated:

	Three months ended June 30,		Nine months ended June 30,
(in thousands)	2021	2020	2021	2020
Weighted average common shares outstanding - basic	206,156	203,654	205,255	205,017
Dilutive effect of stock options and restricted stock units	2,756	1,890	2,424	1,697
Weighted average common shares outstanding - diluted	208,912	205,544	207,679	206,714

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Employee Severance, Litigation, and Other (Tables)

9 Months Ended

Jun. 30, 2021

Restructuring and Related Activities [Abstract]

Employee severance, litigation, and other charge

The following illustrates the charges incurred by the Company relating to Employee Severance, Litigation, and Other for the periods indicated:

	Three months ended June 30,				Nine months ended June 30,
(in thousands)	2021		2020		2021		2020
Employee severance	$	6,720	$	6,523	$	6,720	$	32,368
Litigation and opioid-related costs	153,225		31,369		227,275		86,850
Acquisition-related deal and integration costs	54,674		8,306		97,149		9,109
Business transformation efforts	14,654		9,443		37,738		26,937
Other restructuring costs, net	(2,309)		2,944		6,619		10,362
Total employee severance, litigation, and other	$	226,964	$	58,585	$	375,501	$	165,626

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Business Segment Information (Tables)

9 Months Ended

Jun. 30, 2021

Segment Reporting [Abstract]

Segment revenue

The following illustrates reportable and operating segment disaggregated revenue as required by Accounting Standards Codification 606 for the periods indicated:

	Three months ended June 30,				Nine months ended June 30,
(in thousands)	2021		2020		2021		2020
Pharmaceutical Distribution Services	$	49,312,013	$	43,579,119	$	146,905,854	$	135,178,617
Other:
MWI Animal Health	1,193,530		1,008,581		3,442,494		3,079,915
Alliance Healthcare	1,924,858		—		1,924,858		—
Global Commercialization Services	1,009,878		801,952		2,905,960		2,454,195
Total Other	4,128,266		1,810,533		8,273,312		5,534,110
Intersegment eliminations	(34,584)		(22,875)		(102,744)		(63,569)
Revenue	$	53,405,695	$	45,366,777	$	155,076,422	$	140,649,158

Segment operating income

The following illustrates reportable segment operating income for the periods indicated:

	Three months ended June 30,				Nine months ended June 30,
(in thousands)	2021		2020		2021		2020
Pharmaceutical Distribution Services	$	483,914	$	426,643	$	1,569,014	$	1,381,434
Other	146,869		82,875		391,696		295,614
Intersegment eliminations	(162)		(1,996)		(6,615)		(2,575)
Total segment operating income	$	630,621	$	507,522	$	1,954,095	$	1,674,473

Reconciliation of total segment operating income to income (loss) from operations before income taxes

The following reconciles total segment operating income to income before income taxes for the periods indicated:

	Three months ended June 30,				Nine months ended June 30,
(in thousands)	2021		2020		2021		2020
Total segment operating income	$	630,621	$	507,522	$	1,954,095	$	1,674,473
Gains from antitrust litigation settlements	147,432		—		147,432		8,546
LIFO credit (expense)	113,920		(6,061)		160,565		(43,195)
PharMEDium remediation costs	—		—		—		(16,165)
PharMEDium shutdown costs	—		(12,936)		—		(45,406)
Contingent consideration adjustment	—		—		—		12,153
Acquisition-related intangibles amortization	(44,282)		(25,109)		(94,289)		(85,345)
Employee severance, litigation, and other	(226,964)		(58,585)		(375,501)		(165,626)
Impairment of PharMEDium assets	—		—		—		(361,652)
Operating income	620,727		404,831		1,792,302		977,783
Other (income) loss, net	(4,141)		1,073		4,901		2,806
Interest expense, net	51,338		37,748		119,478		103,176
Loss on early retirement of debt	—		22,175		—		22,175
Income before income taxes	$	573,530	$	343,835	$	1,667,923	$	849,626

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Summary of Significant Accounting Policies - Schedule of Restricted Cash (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Sep. 30, 2020	Jun. 30, 2020	Sep. 30, 2019
Accounting Policies [Abstract]
Cash and cash equivalents	$ 2,553,217	$ 4,597,746
Restricted cash (included in Prepaid Expenses and Other)	128,526	0
Cash, cash equivalents, and restricted cash	$ 2,681,743	$ 4,597,746	$ 3,420,272	$ 3,374,194

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Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands	Oct. 01, 2020	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative adjustment to retained earnings		$ 408,441	$ (102,782)	$ (839,636)	$ 3,967,951	$ 3,705,113	$ 2,993,206
Adoption of ASC
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative adjustment to retained earnings	$ 21,100			$ (24,094)			$ 35,138
Cumulative adjustment to retained earnings, tax	$ 6,100

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Acquisition - Additional Information (Details) - USD ($)		1 Months Ended	3 Months Ended	9 Months Ended
	Jun. 01, 2021	Jun. 30, 2021	Jun. 30, 2021	Jun. 30, 2021	Jun. 30, 2020
Business Acquisition [Line Items]
Share price	$ 114.54
Net cash paid				$ 5,536,717,000	$ 0
WBA Alliance Healthcare
Business Acquisition [Line Items]
Purchase price in cash	$ 6,602,020,000
Equity consideration issued for acquisition of Alliance Healthcare (Note 2)	$ 229,080,000
Equity issued (shares)	2,000,000
Estimated accrued consideration	$ 118,213,000
Other equity consideration	6,061,000
Net cash paid	5,536,717,000
Cash and cash equivalents acquired	922,000,000.0
Restricted cash acquired	143,308,000
Treasury stock reissued	149,100,000
Goodwill expected to be deductable		$ 0	$ 0	0
Noncontrolling interest	$ (178,264,000)
Acquisition related costs			88,800,000	88,800,000
Revenue		1,900,000,000
Pretax earnings		20,600,000
Alliance Healthcare Egypt
Business Acquisition [Line Items]
Noncontrolling interest		$ (178,300,000)	$ (178,300,000)	$ (178,300,000)
Ownership percentage		50.00%	50.00%	50.00%

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Acquisition - Assets And Liabilities (Details) - USD ($) $ in Thousands		9 Months Ended
	Jun. 01, 2021	Jun. 30, 2021	Jun. 30, 2020	Sep. 30, 2020
Recognized amounts of identifiable assets acquired and liabilities assumed
Goodwill		$ 9,132,723		$ 6,706,719
Net cash paid		$ 5,536,717	$ 0
WBA Alliance Healthcare
Business Acquisition [Line Items]
Cash	$ 6,602,020
Equity (2 million shares of AmerisourceBergen Corporation common stock)	229,080
Estimated accrued consideration	118,213
Other equity consideration	6,061
Fair value of total consideration	6,955,374
Recognized amounts of identifiable assets acquired and liabilities assumed
Cash and cash equivalents	921,995
Accounts receivable	3,703,895
Inventories	1,655,291
Prepaid expenses and other	381,888
Property and equipment	633,057
Goodwill	2,488,802
Other intangible assets	3,735,000
Other assets	496,443
Total assets acquired	14,016,371
Accounts payable	(4,618,807)
Accrued expenses and other	(762,223)
Short-term debt	(353,420)
Deferred income taxes	(790,134)
Other liabilities	(358,149)
Total liabilities assumed	(6,882,733)
Net assets acquired	7,133,638
Noncontrolling interest	(178,264)
Equity consideration	(235,141)
Estimated accrued consideration	118,213
Cash acquired, including restricted cash of $143,308 included in Prepaid Expenses and Other	(1,065,303)
Net cash paid	$ 5,536,717
Equity issued (shares)	2,000,000
Restricted cash acquired	$ 143,308

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Acquisition - Fair Value Of Intangible Assets (Details) - WBA Alliance Healthcare $ in Thousands	Jun. 01, 2021 USD ($)
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 3,735,000
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 3,327,000
Weighted-Average Useful Life	18 years
Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 408,000
Weighted-Average Useful Life	11 years

XML

Variable Interest Entity - Financial Position of Variable Interest Entity (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Sep. 30, 2020	Jun. 30, 2020	Sep. 30, 2019
Variable Interest Entity [Line Items]
Cash and cash equivalents	$ 2,681,743	$ 4,597,746	$ 3,420,272	$ 3,374,194
Inventories	14,996,364	12,589,278
Property and equipment, net	2,143,080	1,484,808
Goodwill	9,132,723	6,706,719
Other long-term assets	1,668,502	779,854
TOTAL ASSETS	55,930,936	44,274,830
Long-term debt	7,102,792	4,119,520
Deferred income taxes	1,671,696	686,485
Other long-term liabilities	1,058,767	472,855
Profarma
Variable Interest Entity [Line Items]
Cash and cash equivalents	35,498	96,983
Accounts receivables, net	159,245	120,486
Inventories	209,911	144,059
Prepaid expenses and other	74,781	52,885
Property and equipment, net	31,017	23,584
Goodwill	82,309	82,309
Other intangible assets	71,886	73,543
Other long-term assets	74,629	53,513
TOTAL ASSETS	739,276	647,362
Accounts payable	169,576	141,147
Accrued expenses and other	39,901	34,415
Short-term debt	96,802	98,399
Long-term debt	67,828	44,144
Deferred income taxes	37,985	38,854
Other long-term liabilities	60,427	43,413
Total liabilities	$ 472,519	$ 400,372

XML

Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Tax Disclosure [Abstract]
Deferred tax expense	$ 127.6		$ 127.6
Unrecognized tax benefits	512.8		512.8
Unrecognized tax benefits, net of federal benefit	464.8		464.8
Tax benefits that would reduce income tax expense and effective tax rate	446.5		446.5
Unrecognized tax benefits - interest and penalties	22.8		22.8
Unrecognized tax benefits - increase			14.5
Significant change in unrecognized tax benefits is reasonably possible	$ 16.8		$ 16.8
Effective tax rate (as a percentage)	48.50%	16.50%	33.60%	(70.10%)

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Goodwill and Other Intangible Assets - Schedule of Change in the Carrying Value of Goodwill by Reportable Segment (Details) $ in Thousands	9 Months Ended
	Jun. 30, 2021 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 6,706,719
Goodwill recognized in connection with acquisitions (see Note 2)	2,488,802
Foreign currency translation	(62,798)
Goodwill, ending balance	9,132,723
Pharmaceutical Distribution Services
Goodwill [Roll Forward]
Goodwill, beginning balance	4,852,775
Goodwill recognized in connection with acquisitions (see Note 2)	0
Foreign currency translation	0
Goodwill, ending balance	4,852,775
Other
Goodwill [Roll Forward]
Goodwill, beginning balance	1,853,944
Goodwill recognized in connection with acquisitions (see Note 2)	2,488,802
Foreign currency translation	(62,798)
Goodwill, ending balance	$ 4,279,948

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Goodwill and Other Intangible Assets - Schedule of Other Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2021	Sep. 30, 2020
Finite-lived
Accumulated Amortization	$ (778,072)	$ (681,487)
Intangible Assets
Gross Carrying Amount	6,215,897	2,567,594
Net Carrying Amount	5,437,825	1,886,107
Trade names
Indefinite-lived intangibles
Indefinite-lived trade names	$ 685,470	685,312
Customer relationships
Finite-lived
Weighted Average Remaining Useful Life	16 years
Gross Carrying Amount	$ 4,919,920	1,671,888
Accumulated Amortization	(648,733)	(565,372)
Net Carrying Amount	$ 4,271,187	1,106,516
Trade names and other
Finite-lived
Weighted Average Remaining Useful Life	12 years
Gross Carrying Amount	$ 610,507	210,394
Accumulated Amortization	(129,339)	(116,115)
Net Carrying Amount	$ 481,168	$ 94,279

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Goodwill and Other Intangible Assets - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense	$ 44,781	$ 25,821	$ 95,916	$ 85,091
Amortization expense, fiscal year maturity
2021	178,700		178,700
2022	330,300		330,300
2023	328,800		328,800
2024	327,100		327,100
2025	326,100		326,100
Thereafter	$ 3,357,200		$ 3,357,200

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Debt - Schedule of Debt Instruments (Details)	1 Months Ended		9 Months Ended
	Mar. 31, 2021	Feb. 28, 2021 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2021 GBP (£)	Feb. 28, 2021 GBP (£)	Jan. 31, 2021 GBP (£)	Oct. 31, 2020 USD ($)	Sep. 30, 2020 USD ($)
Debt Instrument [Line Items]
Long-term debt			$ 7,102,792,000					$ 4,119,520,000
Less current portion			0					399,982,000
Total, net of current portion			6,647,183,000					3,618,261,000
Revolving credit note
Debt Instrument [Line Items]
Maximum borrowing capacity			75,000,000
Long-term debt			0					0
Term loan due in October 2020
Debt Instrument [Line Items]
Principal amount							$ 400,000,000
Long-term debt			0					399,982,000
Receivables securitization facility due 2022
Debt Instrument [Line Items]
Maximum borrowing capacity			1,450,000,000
Long-term debt			$ 350,000,000					350,000,000
364-day revolving credit facility
Debt Instrument [Line Items]
Debt instrument, term	364 days	364 days	364 days
Maximum borrowing capacity		$ 1,000,000,000.0
Long-term debt			$ 0					0
Term loan due in June 2023
Debt Instrument [Line Items]
Long-term debt			499,661,000					0
Overdraft facility due 2024 (£10,000)
Debt Instrument [Line Items]
Maximum borrowing capacity | £				£ 10,000,000	£ 10,000,000	£ 30,000,000
Long-term debt			0					0
Multi-currency revolving credit facility due 2024
Debt Instrument [Line Items]
Maximum borrowing capacity			1,400,000,000
Long-term debt			0					0
$1,525,000, 0.737% senior notes due 2023
Debt Instrument [Line Items]
Principal amount			$ 1,525,000,000
Interest rate			0.737%	0.737%
Long-term debt			$ 1,517,263,000					0
$500,000, 3.400% senior notes due 2024
Debt Instrument [Line Items]
Principal amount			$ 500,000,000
Interest rate			3.40%	3.40%
Long-term debt			$ 498,600,000					498,232,000
$500,000, 3.250% senior notes due 2025
Debt Instrument [Line Items]
Principal amount			$ 500,000,000
Interest rate			3.25%	3.25%
Long-term debt			$ 497,499,000					496,990,000
$750,000, 3.450% senior notes due 2027
Debt Instrument [Line Items]
Principal amount			$ 750,000,000
Interest rate			3.45%	3.45%
Long-term debt			$ 744,571,000					743,940,000
$500,000, 2.800% senior notes due 2030
Debt Instrument [Line Items]
Principal amount			$ 500,000,000
Interest rate			2.80%	2.80%
Long-term debt			$ 494,585,000					494,045,000
$1,000,000, 2.700% senior notes due 2031
Debt Instrument [Line Items]
Principal amount			$ 1,000,000,000
Interest rate			2.70%	2.70%
Long-term debt			$ 989,275,000					0
$500,000, 4.250% senior notes due 2045
Debt Instrument [Line Items]
Principal amount			$ 500,000,000
Interest rate			4.25%	4.25%
Long-term debt			$ 494,892,000					494,730,000
$500,000, 4.300% senior notes due 2047
Debt Instrument [Line Items]
Principal amount			$ 500,000,000
Interest rate			4.30%	4.30%
Long-term debt			$ 492,955,000					492,755,000
Alliance Healthcare debt
Debt Instrument [Line Items]
Long-term debt			354,975,000					0
Less current portion			354,975,000					0
Nonrecourse debt
Debt Instrument [Line Items]
Long-term debt			168,516,000					148,846,000
Less current portion			$ 100,634,000					$ 101,277,000

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Debt - Additional information (Details)		1 Months Ended		9 Months Ended
	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Feb. 28, 2021 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2021 GBP (£)	Apr. 30, 2021 USD ($)	Feb. 28, 2021 GBP (£)	Jan. 31, 2021 GBP (£)	Oct. 31, 2020 USD ($)
Multi-currency revolving credit facility due 2024
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 1,400,000,000			$ 1,400,000,000
Facility fee	0.11%
Multi-currency revolving credit facility due 2024 | Minimum
Debt Instrument [Line Items]
Facility fee				0.05%
Multi-currency revolving credit facility due 2024 | Maximum
Debt Instrument [Line Items]
Facility fee				0.125%
Multi-currency revolving credit facility due 2024 | CDOR / LIBOR / EURIBOR / Bankers Acceptance Stamping Fee
Debt Instrument [Line Items]
Variable rate spread	1.015%
Multi-currency revolving credit facility due 2024 | CDOR / LIBOR / EURIBOR / Bankers Acceptance Stamping Fee | Minimum
Debt Instrument [Line Items]
Variable rate spread				0.70%
Multi-currency revolving credit facility due 2024 | CDOR / LIBOR / EURIBOR / Bankers Acceptance Stamping Fee | Maximum
Debt Instrument [Line Items]
Variable rate spread				1.125%
Multi-currency revolving credit facility due 2024 | Alternate base rate and Canadian prime rate | Minimum
Debt Instrument [Line Items]
Variable rate spread				0.00%
Multi-currency revolving credit facility due 2024 | Alternate base rate and Canadian prime rate | Maximum
Debt Instrument [Line Items]
Variable rate spread				0.125%
Commercial paper
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 1,400,000,000			$ 1,400,000,000
Debt instrument, term				365 days
Amount outstanding	0			$ 0
Receivables securitization facility due 2022
Debt Instrument [Line Items]
Maximum borrowing capacity	1,450,000,000			1,450,000,000
Potential increase in receivables securitization facility	$ 250,000,000			$ 250,000,000
364-day revolving credit facility
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 1,000,000,000.0
Facility fee				0.08%
Debt instrument, term		364 days	364 days	364 days
364-day revolving credit facility | Minimum
Debt Instrument [Line Items]
Facility fee			0.04%
364-day revolving credit facility | Maximum
Debt Instrument [Line Items]
Facility fee			0.125%
364-day revolving credit facility | LIBOR
Debt Instrument [Line Items]
Effective interest rate	1.045%			1.045%	1.045%
364-day revolving credit facility | LIBOR | Minimum
Debt Instrument [Line Items]
Variable rate spread			0.835%
364-day revolving credit facility | LIBOR | Maximum
Debt Instrument [Line Items]
Variable rate spread			1.25%
364-day revolving credit facility | Alternative base rate
Debt Instrument [Line Items]
Effective interest rate	0.045%			0.045%	0.045%
364-day revolving credit facility | Alternative base rate | Minimum
Debt Instrument [Line Items]
Variable rate spread			0.00%
364-day revolving credit facility | Alternative base rate | Maximum
Debt Instrument [Line Items]
Variable rate spread			0.25%
Revolving credit note
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 75,000,000			$ 75,000,000
Overdraft facility due 2024 (£10,000)
Debt Instrument [Line Items]
Maximum borrowing capacity | £					£ 10,000,000		£ 10,000,000	£ 30,000,000
Term loan due in October 2020
Debt Instrument [Line Items]
Principal amount									$ 400,000,000
Term loan due in February 2021
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 1,000,000,000.0			$ 500,000,000
Principal amount	$ 500,000,000			$ 500,000,000
Term loan due in February 2021 | LIBOR
Debt Instrument [Line Items]
Effective interest rate	1.125%			1.125%	1.125%
Term loan due in February 2021 | LIBOR | Minimum
Debt Instrument [Line Items]
Variable rate spread			0.875%
Term loan due in February 2021 | LIBOR | Maximum
Debt Instrument [Line Items]
Variable rate spread			1.375%
Term loan due in February 2021 | Alternative base rate
Debt Instrument [Line Items]
Effective interest rate	0.125%			0.125%	0.125%
Term loan due in February 2021 | Alternative base rate | Minimum
Debt Instrument [Line Items]
Variable rate spread			0.00%
Term loan due in February 2021 | Alternative base rate | Maximum
Debt Instrument [Line Items]
Variable rate spread			0.375%
$1,525,000, 0.737% senior notes due 2023
Debt Instrument [Line Items]
Principal amount	$ 1,525,000,000			$ 1,525,000,000
Interest rate	0.737%			0.737%	0.737%
$1,525,000, 0.737% senior notes due 2023 | Senior notes
Debt Instrument [Line Items]
Principal amount		$ 1,525,000,000
Interest rate		0.737%
Percentage of principal amount		100.00%
$1,000,000, 2.700% senior notes due 2031
Debt Instrument [Line Items]
Principal amount	$ 1,000,000,000			$ 1,000,000,000
Interest rate	2.70%			2.70%	2.70%
$1,000,000, 2.700% senior notes due 2031 | Senior notes
Debt Instrument [Line Items]
Effective interest rate		2.706%
Principal amount		$ 1,000,000,000
Interest rate		2.70%
Percentage of principal amount		99.79%

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Stockholders' Equity and Earnings per Share - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	May 31, 2020	Oct. 31, 2018
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Repurchase of common stock		$ 13,297,000	$ 82,150,000	$ 405,692,000
Antidilutive securities excluded from earnings per share computation (shares)	0	2,500,000	100,000	3,600,000
October 2018 Share Repurchase Program
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Authorized amount under share repurchase program						$ 1,000,000,000.0
Repurchase of common stock (shares)			600,000
Repurchase of common stock			$ 55,500,000
May 2020 Share Repurchase Program
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Authorized amount under share repurchase program					$ 500,000,000
Repurchase of common stock (shares)			300,000
Repurchase of common stock			$ 26,600,000
Availability remaining under program	$ 473,400,000		$ 473,400,000

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Stockholders' Equity and Earnings per Share - Weighted Average Number of Common Shares Outstanding (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Equity [Abstract]
Weighted average common shares outstanding - basic (shares)	206,156	203,654	205,255	205,017
Dilutive effect of stock options, restricted stock, and restricted stock units (shares)	2,756	1,890	2,424	1,697
Weighted average common shares outstanding - diluted (shares)	208,912	205,544	207,679	206,714

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Related Party Transactions (Details) - Investor - USD ($) $ in Billions	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Sep. 30, 2020
WBA Alliance Healthcare | AmerisourceBergen
Related Party Transaction [Line Items]
Ownership percentage (more than)	10.00%		10.00%
WBA Alliance Healthcare
Related Party Transaction [Line Items]
Revenue from related party	$ 16.4	$ 15.2	$ 48.9	$ 47.0
Receivable from related party	$ 6.7		$ 6.7		$ 6.6

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Employee Severance, Litigation, and Other (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Restructuring Cost and Reserve [Line Items]
Employee severance	$ 6,720	$ 6,523	$ 6,720	$ 32,368
Litigation and opioid-related costs	153,225	31,369	227,275	86,850
Total employee severance, litigation, and other	226,964	58,585	375,501	165,626
Acquisition-related deal and integration costs
Restructuring Cost and Reserve [Line Items]
Acquisition related costs	54,674	8,306	97,149	9,109
Business transformation efforts
Restructuring Cost and Reserve [Line Items]
Acquisition related costs	14,654	9,443	37,738	26,937
Other restructuring costs, net
Restructuring Cost and Reserve [Line Items]
Acquisition related costs	(2,309)	$ 2,944	6,619	$ 10,362
Accrual related to injunctive relief terms | MDL opioid settlement
Restructuring Cost and Reserve [Line Items]
Litigation and opioid-related costs	$ 124,300		$ 141,400

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Legal Matters and Contingencies (Details) $ in Millions			3 Months Ended			9 Months Ended	12 Months Ended
	Jul. 21, 2021 USD ($)	Jul. 20, 2021 USD ($)	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)	Jan. 31, 2020 claim
MDL and Other Related State Court Litigation | Pending litigation
Loss Contingencies [Line Items]
Number of pending claims | claim								4
MDL and Other Related State Court Litigation | Pending litigation | Subsequent Event
Loss Contingencies [Line Items]
Aggregate legal settlement (up to)	$ 21,000.0
Company's portion	31.00%
Estimate of possible loss	$ 6,400.0
Legal settlement term (in years)	18 years
Opioid Lawsuits and Investigations
Loss Contingencies [Line Items]
Litigation settlement				$ 6,700.0	$ 6,600.0	$ 6,700.0
Long-term liability				6,300.0		6,300.0
Opioid Lawsuits and Investigations | Subsequent Event
Loss Contingencies [Line Items]
Payment pursuant to settlement		$ 1,179.0
Opioid Lawsuits and Investigations | Accrual related to injunctive relief terms
Loss Contingencies [Line Items]
Litigation accrual				$ 124.3		$ 141.4
Opioid Lawsuits and Investigations | Forecast
Loss Contingencies [Line Items]
Litigation settlement payment			$ 443.0				$ 477.0

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Litigation Settlements (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Jun. 30, 2021	Jun. 30, 2021	Jun. 30, 2020
Commitments and Contingencies Disclosure [Abstract]
Gains from antitrust litigation settlements	$ 147.4	$ 147.4	$ 8.5

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Fair Value of Financial Instruments (Details) - USD ($) $ in Millions	Jun. 30, 2021	Sep. 30, 2020
Estimate of fair value measurement | Level 2 inputs
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 7,008.3	$ 4,026.4
Fair value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	6,647.2	3,618.3
Money market | Estimate of fair value measurement | Level 1 inputs
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	$ 644.0	$ 2,548.0

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Business Segment Information - Segment Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	$ 53,405,695	$ 45,366,777	$ 155,076,422	$ 140,649,158
Operating segments | Pharmaceutical Distribution Services
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	49,312,013	43,579,119	146,905,854	135,178,617
Operating segments | Other
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	4,128,266	1,810,533	8,273,312	5,534,110
Operating segments | Other | MWI Animal Health
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	1,193,530	1,008,581	3,442,494	3,079,915
Operating segments | Other | Alliance Healthcare
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	1,924,858	0	1,924,858	0
Operating segments | Other | Global Commercialization Services
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	1,009,878	801,952	2,905,960	2,454,195
Intersegment eliminations
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	$ (34,584)	$ (22,875)	$ (102,744)	$ (63,569)

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Business Segment Information - Segment Operating Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Segment Reporting Information [Line Items]
Total segment operating income	$ 620,727	$ 404,831	$ 1,792,302	$ 977,783
Operating segments
Segment Reporting Information [Line Items]
Total segment operating income	630,621	507,522	1,954,095	1,674,473
Operating segments | Pharmaceutical Distribution Services
Segment Reporting Information [Line Items]
Total segment operating income	483,914	426,643	1,569,014	1,381,434
Operating segments | Other
Segment Reporting Information [Line Items]
Total segment operating income	146,869	82,875	391,696	295,614
Intersegment eliminations
Segment Reporting Information [Line Items]
Total segment operating income	$ (162)	$ (1,996)	$ (6,615)	$ (2,575)

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Business Segment Information - Reconciliation of Segment Operating Income to Income (Loss) from Operations before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total segment operating income	$ 620,727	$ 404,831	$ 1,792,302	$ 977,783
Gains from antitrust litigation settlements	147,400		147,400	8,500
LIFO credit (expense)			160,565	(43,195)
Employee severance, litigation, and other	(226,964)	(58,585)	(375,501)	(165,626)
Impairment of PharMEDium assets	0	0	0	(361,652)
Operating income	620,727	404,831	1,792,302	977,783
Other (income) loss, net	(4,141)	1,073	4,901	2,806
Interest expense, net	51,338	37,748	119,478	103,176
Loss on early retirement of debt	0	22,175	0	22,175
Income before income taxes	573,530	343,835	1,667,923	849,626
Operating segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total segment operating income	630,621	507,522	1,954,095	1,674,473
Operating income	630,621	507,522	1,954,095	1,674,473
Segment reconciling items
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Gains from antitrust litigation settlements	147,432	0	147,432	8,546
LIFO credit (expense)	113,920	(6,061)	160,565	(43,195)
PharMEDium remediation costs	0	0	0	(16,165)
PharMEDium shutdown costs	0	(12,936)	0	(45,406)
Contingent consideration adjustment	0	0	0	12,153
Acquisition-related intangibles amortization	(44,282)	(25,109)	(94,289)	(85,345)
Employee severance, litigation, and other	(226,964)	(58,585)	(375,501)	(165,626)
Impairment of PharMEDium assets	$ 0	$ 0	$ 0	$ (361,652)

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Business Segment Information - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Jun. 30, 2021	Jun. 30, 2021
Segment Reporting [Abstract]
Foreign currency losses	$ 6.2	$ 1.1