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Debt Instrument, Interest Rate, Increase Or Decrease, Stated Percentage

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Amount of amortization expense attributable to debt issuance costs.

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, after accumulated amortization, of debt discount.

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Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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Debt - Additional Information (Details) - USD ($)			3 Months Ended		6 Months Ended
Debt - Additional Information (Details) - USD ($)	Jan. 31, 2020	May 04, 2018	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Mar. 31, 2020
Debt Instrument [Line Items]
Amortization of debt issuance costs			$ 1,000,000	$ 1,000,000	$ 3,000,000	$ 3,000,000
Repayments of principal in year three	$ 9,000,000
Repayments of principal in year four	9,000,000	$ 27,000,000
Repayments of principal in year five	9,000,000	27,000,000
Repayments of principal thereafter	9,000,000
AvKARE and R&S Acquisitions
Debt Instrument [Line Items]
Liabilities incurred, fair value	11,000,000
Rondo Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	30,000,000
Borrowings on credit facility			0		0
Rondo Term Loan
Debt Instrument [Line Items]
Principal amount of debt	$ 180,000,000
Quarterly installment rate (percent)	5.00%
Debt issuance costs, gross	$ 3,000,000
Repayments of principal remainder of fiscal year	9,000,000
Repayments of principal in year two	$ 9,000,000
Rondo Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	3.00%
Stated interest rate, increase or decrease (percent)	0.25%
Commitment fee percentage on unused capacity (percent)	0.40%
Debt issuance costs, gross	$ 1,000,000
Rondo Credit Facility \| Minimum
Debt Instrument [Line Items]
Commitment fee percentage on unused capacity (percent)	0.25%
Rondo Credit Facility \| Maximum
Debt Instrument [Line Items]
Commitment fee percentage on unused capacity (percent)	0.50%
Amortization of debt issuance costs			1,000,000		1,000,000
Senior Secured Credit Facility
Debt Instrument [Line Items]
Repayments of principal remainder of fiscal year		27,000,000
Repayments of principal in year two		27,000,000
Repayments of principal in year three		27,000,000
Repayments of principal thereafter		27,000,000
Senior Secured Credit Facility \| Senior Credit Facility Term Loan Due May2025
Debt Instrument [Line Items]
Principal amount of debt		$ 2,700,000,000
Quarterly installment rate (percent)		1.00%
Debt issuance costs, gross		$ 38,000,000
Senior Secured Credit Facility \| Senior Credit Facility Term Loan Due May2025 \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate (percent)		3.50%
Line of Credit \| Senior Secured Asset-Backed Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 500,000,000
Available maximum borrowing capacity			$ 414,000,000		$ 414,000,000
Stated interest rate, increase or decrease (percent)		0.25%
Borrowings on credit facility							$ 300,000,000
Commitment fee percentage on unused capacity (percent)		0.375%
Debt issuance costs, gross		$ 5,000,000
Line of Credit \| Senior Secured Asset-Backed Revolving Credit Facility \| Minimum
Debt Instrument [Line Items]
Commitment fee percentage on unused capacity (percent)		0.25%
Line of Credit \| Senior Secured Asset-Backed Revolving Credit Facility \| Maximum
Debt Instrument [Line Items]
Commitment fee percentage on unused capacity (percent)		0.375%
Line of Credit \| Senior Secured Asset-Backed Revolving Credit Facility \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate (percent)		1.25%
Line of Credit \| Senior Secured Asset-Backed Revolving Credit Facility \| Letter of Credit
Debt Instrument [Line Items]
Available maximum borrowing capacity		$ 25,000,000
Long Term Promissory Notes \| AvKARE and R&S Acquisitions
Debt Instrument [Line Items]
Liabilities incurred	$ 44,000,000
Interest rate (percent)	5.00%
Liabilities incurred, fair value	$ 35,033,000
Sellers notes discount	9,000,000
Short Term Promissory Note \| AvKARE and R&S Acquisitions
Debt Instrument [Line Items]
Liabilities incurred	$ 1,000,000
Interest rate (percent)	1.60%
Liabilities incurred, fair value	$ 1,000,000