Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 402,678	$ 320,025
Current investments	8,754	13,378
Accounts receivable	59,043	36,850
Inventories, net	178,183	135,874
Prepaid expenses and other	117,138	93,276
Total current assets	765,796	599,403
Property and equipment, net	304,619	229,787
Goodwill	112,446	112,446
Other intangible assets, net	87,644	92,518
Other assets	122,202	118,753
Total assets	1,392,707	1,152,907
Current liabilities:
Accounts payable	48,954	47,882
Accrued expenses	355,215	233,202
Current portion of long-term debt	69,461	39,019
Total current liabilities	473,630	320,103
Long-term debt	128,664	154,963
Other liabilities	98,326	87,229
Total liabilities	700,620	562,295
Commitments and contingencies (Note 9)
Stockholders' equity:
Class A common stock - 500 million shares authorized, $.001 par value, 90.6 million shares issued	91	91
Additional paid-in capital	332,588	317,293
Treasury stock, at cost - 31.7 million and 32.2 million shares	(718,800)	(714,853)
Accumulated other comprehensive loss	(55,272)	(51,822)
Retained earnings	1,133,480	1,039,903
Total stockholders' equity	692,087	590,612
Total liabilities and stockholders' equity	$ 1,392,707	$ 1,152,907