Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Cash flows from operating activities
Net (loss) income	$ (103,994)	$ 104,346	$ 80,354
Adjustments to reconcile net (loss) income to cash flows provided by operating activities:
Impairment and closure charges	132,501	1,485	2,038
Depreciation and amortization	42,829	42,493	32,175
Non-cash stock-based compensation expense	12,508	10,808	10,546
Non-cash interest expense	2,698	3,369	3,792
Deferred income taxes	(20,049)	(5,494)	(11,847)
Deferred revenue	(7,111)	(7,695)	(5,577)
Loss on extinguishment of debt	0	8,276	0
Loss (gain) on disposition of assets	2,069	(332)	(623)
Other	(2,566)	(5,374)	(949)
Changes in operating assets and liabilities:
Accounts receivable, net	(9,750)	(396)	3,149
Current income tax receivables and payables	16,143	8,677	8,119
Gift card receivables and payables	12,231	(1,037)	(1,488)
Other current assets	(2,191)	(498)	10,425
Accounts payable	6,455	583	(9,940)
Accrued employee compensation and benefits	(1,909)	(3,575)	13,183
Accrued advertising expenses	12,881	(1,166)	0
Other current liabilities	3,758	710	6,989
Cash flows provided by operating activities	96,503	155,180	140,346
Cash flows from investing activities
Principal receipts from notes, equipment contracts and other long-term receivables	31,155	24,075	25,771
Net additions to property and equipment	(10,927)	(19,424)	(14,279)
Proceeds from sale of property and equipment	537	2,540	655
Additions to long-term receivables	(1,475)	(6,955)	(6,500)
Acquisition of business	0	0	(20,155)
Other	(565)	(389)	(293)
Cash flows provided by (used in) investing activities	18,725	(153)	(14,801)
Cash flows from financing activities
Proceeds from issuance of long-term debt	0	1,300,000	0
Repayment of long-term debt	(3,250)	(1,283,750)	(13,000)
Borrowings from revolving credit facility	220,000	0	75,000
Repayments of revolving credit facility	0	(25,000)	(50,000)
Payment of debt issuance costs	0	(13,150)	(3,633)
Dividends paid on common stock	(23,934)	(46,859)	(51,125)
Repurchase of common stock	(29,853)	(109,698)	(33,603)
Principal payments of finance lease obligations	(12,451)	(13,639)	(13,907)
Proceeds from stock options exercised	20,523	11,969	3,928
Tax payments for restricted stock upon vesting	(2,480)	(2,728)	(1,972)
Tax payments for share settlement of restricted stock units	(205)	(76)	0
Cash flows provided by (used in) financing activities	168,350	(182,931)	(88,312)
Net change in cash, cash equivalents and restricted cash	283,578	(27,904)	37,233
Cash, cash equivalents and restricted cash at beginning of year	172,475	200,379	163,146
Cash, cash equivalents and restricted cash at end of year	456,053	172,475	200,379
Supplemental disclosures
Interest paid	69,208	66,104	66,059
Income taxes paid	11,873	44,748	34,246
Non-cash conversion of accounts receivable to notes receivable	$ 1,307	$ 185	$ 11,959