Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flows from operating activities:
Net income	$ 12,419	$ 3,065
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	37,427	38,829
Impairment of fixed assets	239
Loss on extinguishment of debt	1,010	4,865
Call premium on redemption of Senior Discount Notes		(2,538)
Amortization of debt discount	311	149
Amortization of debt issuance costs	866	840
Non-cash rental expense, net of non-cash rental income	(2,950)	(3,017)
Share-based compensation expense	787	925
Decrease in deferred tax asset	7,036	3,261
Net change in certain operating assets and liabilities	(11,033)	11,542
Increase in deferred membership costs	(1,173)	(3,558)
Landlord contributions to tenant improvements	1,320	711
Decrease in insurance reserves	(2,124)	(1,511)
Other	(187)	(323)
Total adjustments	31,529	50,175
Net cash provided by operating activities	43,948	53,240
Cash flows from investing activities:
Capital expenditures	(13,278)	(21,641)
Net cash used in investing activities	(13,278)	(21,641)
Cash flows from financing activities:
Principal payments on 2011 Term Loan Facility	(36,007)	(4,500)
Proceeds from replacement 2011 Term Loan Facility lenders	13,796
Principal payments to non-consenting 2011 Term Loan Facility lenders	(13,796)
Term loan repricing related financing costs	(2,707)
Proceeds from exercise of stock options	2,279	291
Tax benefit from stock option exercises		100
Proceeds from 2011 Senior Credit Facility, net of original issue discount		297,000
Debt issuance costs		(8,065)
Repayment of 2007 Term Loan Facility		(178,063)
Repayment of Senior Discount Notes		(138,450)
Net cash used in financing activities	(36,435)	(31,687)
Effect of exchange rate changes on cash	(7)	314
Net (decrease) increase in cash and cash equivalents	(5,772)	226
Cash and cash equivalents beginning of period	47,880	38,803
Cash and cash equivalents end of period	42,108	39,029
Summary of the change in certain operating assets and liabilities:
Increase in accounts receivable	(1,306)	(3,206)
Increase in inventory	(34)	(6)
(Increase) decrease in prepaid expenses and other current assets	(1,705)	4,156
Decrease in accounts payable, accrued expenses and accrued interest	(7,152)	(5,207)
Change in prepaid corporate income taxes	166	4,738
(Decrease) increase in deferred revenue	(1,002)	11,067
Net change in certain operating assets and liabilities	(11,033)	11,542
Supplemental disclosures of cash flow information:
Cash payments for interest, excluding call premium on the redemption of the Senior Discount Notes	17,562	23,851
Cash payments for income taxes	$ 361	$ 567