CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Millions		3 Months Ended								6 Months Ended		12 Months Ended
		Jun. 30, 2022		Mar. 31, 2022		Jun. 30, 2021		Mar. 31, 2021		Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Income Statement [Abstract]
Net sales		$ 442.6				$ 497.4				$ 922.2	$ 942.4
Cost of sales		191.4				196.3				388.3	387.5
Gross profit		251.2				301.1				533.9	554.9
Selling, general and administrative expenses		253.0				279.4				509.9	539.9
Acquisition, integration and divestiture costs		0.3				0.6				0.5	1.2
Restructuring charges and other, net		3.1				8.4				5.0	13.8
Impairment charges		24.3				0.0				24.3	0.0	$ 0.0
Gain on divested assets		0.0				(1.8)				0.0	(1.8)
Operating income (loss)		(29.5)				14.5				(5.8)	1.8
Other expenses:
Interest expense, net		57.5				61.9				119.6	120.8
Amortization of debt issuance costs		11.8				13.3				20.9	22.0
Foreign currency losses (gains), net		14.2				(1.7)				22.0	1.6
Miscellaneous, net		4.8				1.5				6.7	2.7
Reorganization items, net		158.3				0.0				158.3	0.0
Other expense (income), net		246.6				75.0				327.5	147.1
(Loss) income from operations before income taxes		(276.1)				(60.5)				(333.3)	(145.3)
(Benefit from) provision for income taxes		(0.5)				7.2				9.3	18.4
Net (loss) income		(275.6)		$ (67.0)		(67.7)		$ (96.0)		(342.6)	(163.7)
Other comprehensive income (loss):
Foreign currency translation adjustments		(3.0)				(0.5)				(2.0)	(5.4)
Amortization of pension related costs, net of tax	[1],[2]	2.8				3.5				5.7	7.0
Other comprehensive (loss) income, net		(0.2)	[3]	$ 3.9	[3]	3.0	[3]	$ (1.4)	[3]	3.7	1.6
Total comprehensive (loss) income		$ (275.8)				$ (64.7)				$ (338.9)	$ (162.1)
Basic loss per common share (in dollars per share)		$ (5.00)				$ (1.25)				$ (6.27)	$ (3.04)
Diluted loss per common share (in dollars per share)		$ (5.00)				$ (1.25)				$ (6.27)	$ (3.04)
Weighted average number of common shares outstanding:
Basic (in shares)		55,071,206				54,015,794				54,669,069	53,835,622
Diluted (in shares)		55,071,206				54,015,794				54,669,069	53,835,622

[1] Net of tax expense of nil for both the three months ended and six months ended June 30, 2022 and 2021.

[2] This amount is included in the computation of net periodic benefit costs (income). See Note 10, "Pension and Post-Retirement Benefits," for additional information regarding net periodic benefit costs (income).

[3] See Note 13, "Accumulated Other Comprehensive Loss," regarding the changes in the accumulated balances for each component of other comprehensive loss during the six months ended June 30, 2022 and 2021, respectively.