Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net income	$ 117,888	$ 133,441
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	55,279	57,964
Non-cash lease expense	34,087	33,494
Stock-based compensation	15,439	9,649
Foreign currency losses	1,203	4,145
Loss on disposal of assets	2,516	0
Deferred taxes	(7,931)	1,945
Changes in operating assets and liabilities:
Accounts receivable	(9,273)	(3,981)
Inventories, net	4,882	6,775
Prepaid expenses and other	4,180	(21,097)
Other assets	(76,487)	(27,101)
Accounts payable	15,884	(6,609)
Accrued expenses	99,438	(62,679)
Other liabilities	27,343	2,082
Net cash provided by operating activities	284,448	128,028
Cash flows from investing activities:
Purchases of property and equipment	(48,810)	(52,784)
Proceeds on investment sales	7,630	11,160
Purchases of investments	(8,759)	(8,432)
Acquisitions and investments in equity investees	0	(8,073)
Net cash used in investing activities	(49,939)	(58,129)
Cash flows from financing activities:
Exercise of employee stock options and taxes paid related to the net shares settlement of stock awards	3,321	(2,326)
Payment of cash dividends	(59,287)	(61,636)
Repurchases of shares of common stock	(127,361)	(825)
Payments of debt	(135,000)	(209,455)
Proceeds from debt	115,000	145,000
Net cash used in financing activities	(203,327)	(129,242)
Effect of exchange rate changes on cash	(102)	(7,534)
Net increase (decrease) in cash and cash equivalents	31,080	(66,877)
Cash and cash equivalents, beginning of period	335,630	386,911
Cash and cash equivalents, end of period	$ 366,710	$ 320,034