Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 38,625	$ 31,368
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	11,396	11,233
Stock-based compensation	8,083	6,091
Provision for doubtful accounts	1,328	963
Deferred income tax provision	1,496	1,476
Changes in:
Accounts receivable	(6,845)	(12,531)
Inventories	(8,208)	(17,460)
Prepaid expenses and other current assets	(3,717)	(3,308)
Other assets	763	1,163
Accounts payable	5,191	5,654
Accrued expenses	(1,277)	(4,756)
Income taxes payable	(289)	(1,127)
Deferred tuition revenue	1,298	7,465
Deferred rent	165	447
Gift certificate liability	(1,052)	(410)
Net cash provided by operating activities	46,957	26,268
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(7,325)	(5,369)
Acquisition, net of cash acquired	(2,357)	0
Post-closing working capital adjustments related to acquisition	0	4,013
Net cash used in investing activities	(9,682)	(1,356)
CASH FLOWS FROM FINANCING ACTIVITIES:
Purchase of treasury shares	(6,592)	(3,862)
Payments of long-term debt	(25,000)	(31,750)
Proceeds from share option exercises	2,670	1,617
Net cash used in financing activities	(28,922)	(33,995)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	(366)	(621)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	7,987	(9,704)
CASH AND CASH EQUIVALENTS, Beginning of period	61,731	52,851
CASH AND CASH EQUIVALENTS, End of period	69,718	43,147
Cash paid during the period for:
Interest	327	1,596
Income taxes	$ 3,434	$ 4,693