Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net income	$ 23,850	$ 50,815
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	16,739	14,045
Amortization of debt costs	3,288	3,099
Stock-based compensation	1,410	1,419
Gains on refranchising	(154)	(1,015)
Changes in assets and liabilities:
Decrease in receivables	5,890	17,402
(Increase) in inventory	(18,545)	(13,021)
(Increase) in prepaid and other current assets	(8,785)	(9,056)
Increase in accounts payable	27,411	41,364
(Decrease) increase in deferred revenue and accrued liabilities	(5,198)	33,250
Other operating activities	197	4,023
Net cash provided by operating activities	46,103	142,325
Cash flows from investing activities:
Capital expenditures	(13,906)	(10,542)
Refranchising proceeds	1,344	830
Store acquisition costs	(98)	(519)
Net cash used in investing activities	(12,660)	(10,231)
Cash flows from financing activities:
Borrowings under revolving credit facility	64,000	90,000
Payments on revolving credit facility	(91,000)	0
Payments on term loan facility	(1,138)	(1,138)
Debt issuance costs	0	(1,712)
Proceeds from exercise of stock options	0	292
Minimum tax withholding requirements	(229)	(519)
Cash paid for treasury stock	0	(201,002)
Dividends paid to shareholders	0	(14,274)
Net cash used in financing activities	(28,367)	(128,353)
Effect of exchange rate changes on cash and cash equivalents	332	796
Net increase in cash and cash equivalents	5,408	4,537
Beginning balance, cash and cash equivalents	34,464	56,462
Ending balance, cash and cash equivalents	39,872	60,999
Non-cash investing activities:
Accrued capital expenditures	2,259	2,871
Accrued treasury stock	$ 0	$ 17,939