Consolidated Statements of Cash Flows - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2020		Dec. 31, 2019		Dec. 31, 2018
Cash flows provided by operating activities:
Net (loss) income		$ (528,457)		$ (532,858)		$ 122,819
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization expense		76,506		81,116		78,575
Amortization of deferred financing costs and original issuance discounts		4,198		4,722		10,989
Provision for doubtful accounts		6,321		2,323		1,213
Deferred income tax (benefit) expense		(95,085)		(47,366)		4,573
Deferred rent						5,351
Undistributed income in equity method investments		333		(472)		(369)
Change in operating lease liability/asset		30,981		(9,942)
Loss (gain) on disposal of assets		70		(59,786)		3
Loss on assets held for sale		73,948
Non-cash adjustment for store impairment and restructuring		17,585		20,236
Goodwill, intangibles and long-lived assets impairment		581,380		562,631
Non-employee equity based compensation (see Note 25 – Kazzam, LLC)		1,033		515		81
Stock option expense – time – based		796		1,319		1,744
Stock option expense – performance – based		7,847
Restricted stock unit and restricted cash awards expense – performance-based		1,329
Restricted stock units expense—time-based		2,071		2,033		1,174
Directors—non-cash compensation		337		313		196
(Gain) on debt refinancing		(273,149)
Changes in operating assets and liabilities, net of effects of acquired businesses:
Decrease (increase) in accounts receivable		22,396		(2,600)		(10,431)
Decrease (increase) in inventories		184,924		72,385		(142,866)
(Increase) decrease in prepaid expenses and other current assets, net		(66,166)		14,741		16,666
Increase (decrease) in accounts payable, accrued expenses and income taxes payable		28,002		(65,617)		12,138
Net cash provided by operating activities		77,200		43,693		101,856
Cash flows (used in) provided by investing activities:
Cash paid in connection with acquisitions, net of cash acquired		(3,305)		(20,878)		(65,301)
Capital expenditures		(51,128)		(61,733)		(85,661)
Proceeds from disposal of property and equipment		162		246,286		55
Net cash (used in) provided investing activities		(54,271)		163,675		(150,907)
Cash flows provided by (used in) financing activities:
Repayment of loans, notes payable and long-term obligations		(254,438)		(441,632)		(547,695)
Proceeds from loans, notes payable and long-term obligations		368,439		203,344		652,087
Exercise of stock options		147		1,148		2,269
Treasury stock purchases		(96)		(156)		(40,197)
Debt issuance and modification costs		(20,348)		(414)		(10,294)
Net cash provided by (used in) financing activities		93,704		(237,710)		56,170
Effect of exchange rate changes on cash and cash equivalents		(500)		6,299		(2,308)
Net (decrease) increase in cash and cash equivalents and restricted cash		116,133		(24,043)		4,811
Less: net increase in cash classified within current assets held for sale		(31,628)
Cash and cash equivalents and restricted cash at beginning of period		35,176	[1]	59,219	[1]	54,408
Cash and cash equivalents and restricted cash at end of period	[1]	119,681		35,176		59,219
Cash paid during the period:
Interest		68,396		108,561		94,472
Income taxes, net of refunds		$ 26,867		$ 36,093		$ 59,156

[1] Includes $149, $259, $310 of restricted cash for the fiscal years ended December 31, 2020, 2019 and 2018 respectively. The Company records restricted cash in prepaid expenses and other current assets as presented in the consolidated balance sheets at December 31, 2020 and 2019.