Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Dec. 31, 2018
ASSETS:
Cash and cash equivalents	$ 1,554.0	$ 1,192.2
Accounts receivable, net of allowance of $67.0 and $40.2, respectively	3,661.5	5,209.2
Accounts receivable, billable to clients	1,914.0	1,934.1
Assets held for sale	17.4	22.8
Other current assets	449.8	412.4
Total current assets	7,596.7	8,770.7
Property and equipment, net of accumulated depreciation and amortization of $1,136.1 and $1,116.4, respectively	752.8	778.1
Deferred Income Tax Assets, Net	270.7	252.1
Goodwill	4,826.5	4,894.4
Other intangible assets	990.7	1,014.3
Operating lease right-of-use asset	1,525.4	1,574.4
Other non-current assets	466.1	467.9
TOTAL ASSETS	16,428.9	17,751.9
LIABILITIES:
Accounts payable	5,559.5	7,205.4
Accrued liabilities	539.5	742.8
Contract liabilities	571.5	585.6
Short-term borrowings	310.1	52.4
Current portion of long-term debt	502.5	502.0
Current portion of operating leases	257.4	267.2
Liabilities held for sale	55.4	65.0
Total current liabilities	7,795.9	9,420.4
Long-term debt	3,410.9	2,771.9
Non-current operating leases	1,386.7	1,429.6
Deferred compensation	372.8	425.0
Other non-current liabilities	732.6	714.7
TOTAL LIABILITIES	13,698.9	14,761.6
Redeemable noncontrolling interests	154.8	164.7		$ 167.9
STOCKHOLDERS' EQUITY:
Common stock	38.9	38.7
Additional paid-in capital	981.2	977.3
Retained earnings	2,591.1	2,689.9
Accumulated other comprehensive loss, net of tax	(1,078.7)	(930.0)		(941.1)
Total IPG stockholders' equity	2,532.5	2,775.9
Noncontrolling interests	42.7	49.7
TOTAL STOCKHOLDERS' EQUITY	2,575.2	2,825.6		2,432.8
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 16,428.9	$ 17,751.9
Parentheticals:
Allowance for doubtful accounts receivable			$ 67.0	40.2
Accumulated depreciation, property and equipment			$ 1,136.1	$ 1,164.4