CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)		3 Months Ended								9 Months Ended				12 Months Ended
		Sep. 30, 2022		Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021		Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022		Sep. 30, 2021		Dec. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss		$ (152,800,000)		$ (275,600,000)	$ (67,000,000.0)	$ (53,100,000)		$ (67,700,000)	$ (96,000,000.0)	$ (495,400,000)		$ (216,800,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization										80,700,000		96,800,000
Foreign currency losses from re-measurement										41,400,000		11,500,000
Amortization of debt discount										300,000		700,000
Stock-based compensation amortization										15,300,000		10,400,000
Impairment charges		0				0				24,300,000		0		$ 0
(Benefit from) provision for deferred income taxes										(200,000)		3,900,000
Amortization of debt issuance costs		0				8,700,000				20,900,000		30,700,000
Gain on divested assets		0				100,000				0		(1,700,000)
Non-cash reorganization items, net										131,500,000		0
Pension and other post-retirement cost										3,700,000		3,600,000
Paid-in-kind interest expense on the 2020 BrandCo Facilities										19,000,000.0		14,100,000
Change in assets and liabilities:
Decrease (increase) in trade receivables										45,400,000		(44,400,000)
(Increase) in inventories										(55,400,000)		(8,100,000)
Decrease (increase) in prepaid expenses and other current assets										(85,900,000)		200,000
Increase (decrease) in accounts payable										(3,600,000)		56,100,000
Increase (decrease) in accrued expenses and other current liabilities										40,200,000		(25,200,000)
Decrease in deferred revenue										(2,000,000.0)		(2,000,000.0)
Pension and other post-retirement plan contributions										(4,400,000)		(20,500,000)
Purchases of permanent displays										(15,600,000)		(15,000,000.0)
Other, net										(11,200,000)		19,000,000.0
Net cash used in operating activities										(251,000,000.0)		(86,700,000)
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures										(8,100,000)		(6,300,000)
Proceeds from the sale of certain assets										0		2,100,000
Net cash used in investing activities										(8,100,000)		(4,200,000)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net decrease in short-term borrowings and overdraft										(600,000)		(12,500,000)
Borrowings on term loans										0		305,000,000.0
Repayments on term loans	[1]									(88,600,000)		(186,700,000)
Net (repayments) borrowings under the revolving credit facilities										(600,000)		(2,700,000)
Borrowings on DIP Term Loan Facility										575,000,000.0		0
Repayments on Tranche A DIP ABL Facility										(67,200,000)		0
Payment of financing costs										(18,800,000)		(17,900,000)
Tax withholdings related to net share settlements of restricted stock and RSUs		(4,700)				(9,700)				(3,300,000)		(2,400,000)
Other financing activities										(200,000)		(300,000)
Net cash provided by (used in) financing activities										395,700,000		82,500,000
Effect of exchange rate changes on cash, cash equivalents and restricted cash										(7,300,000)		(2,400,000)
Net increase (decrease) in cash, cash equivalents and restricted cash										129,300,000		(10,800,000)
Cash, cash equivalents and restricted cash at beginning of period	[2]				$ 120,900,000				$ 102,500,000	120,900,000		102,500,000		102,500,000
Cash, cash equivalents and restricted cash at end of period		$ 250,200,000	[3]			$ 91,700,000	[3]			250,200,000	[3]	91,700,000	[3]	$ 120,900,000	[2]
Cash paid during the period for:
Interest										159,100,000		186,400,000
Income taxes, net of refunds										7,100,000		7,300,000
Reorganization items, net										69,500,000		0
Supplemental schedule of non-cash investing and financing activities:
Paid-in-kind interest capitalized to the 2020 BrandCo Facilities										$ 19,000,000.0		$ 14,100,000

[1] Repayments on term loans for the nine months ended September 30, 2022 includes repayments of $75.0 million under the 2021 Foreign Asset Based Term Facility, $4.7 million under the 2020 BrandCo Term Loan Facility, $6.6 million for the 2020 Troubled-debt-restructuring future interest amortization, and $2.3 million under the 2016 Term Loan Facility. Repayments on term loans for the nine months ended September 30, 2021 includes repayments of $100.0 million under the 2021 SISO Term Loan facility, $58.9 million under the 2018 Foreign Asset-Based Term Facility, $11.6 million for the 2020 Troubled-debt-restructuring future interest amortization, $9.3 million under the 2020 BrandCo facilities and $6.9 million under the 2016 Term Loan Facility. See Note 8, "Debt" in the Company's 2021 Form 10-K for additional information on the Company's debt facilities.

[2] This amount includes restricted cash of $18.5 million as of December 31, 2021. The balance as of December 31, 2021 represents: (i) cash on deposit in lieu of a mandatory prepayment and loan proceeds held in escrow until certain collateral perfection requirements are satisfied under the 2021 Foreign Asset-Based Term Agreement; and (ii) cash on deposit to support outstanding undrawn letters of credit.

[3] These amounts include restricted cash of $3.8 million and $18.4 million as of September 30, 2022 and 2021, respectively. The balance as of September 30, 2022 primarily represents: cash on security deposit. The balance as of September 30, 2021 represents: (i) cash on deposit in lieu of a mandatory prepayment and loan proceeds held in escrow until certain collateral perfection requirements were satisfied under the 2021 Foreign Asset-Based Term Agreement; and (ii) cash on deposit to support surety bonds. These balances were included within prepaid expenses and other current assets and other assets in the Company's Consolidated Balance Sheets as of September 30, 2022 and September 30, 2021, respectively.