Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Operating activities
Net income	$ 28,230	$ 71,848
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	7,834	5,801
Amortization of debt discount		1,260
Non-cash equity-based compensation	7,144	6,517
Loss on extinguishment of debt		3,349
Deferred income taxes	587	6,749
Excess tax benefits from stock option exercises	(978)	(7,254)
Other, net		41
Non-cash items from discontinued operations	(1,285)	52,792
Changes in operating assets and liabilities:
Accounts receivable	7	23,813
Inventories	22,888	(26,150)
Prepaid expenses and other current assets	8,875	(41,915)
Supplier deposits	3,328	(516)
Accounts payable	(7,756)	27,748
Accrued expenses, deferred profit and other current liabilities	(12,476)	(3,326)
Income taxes payable	(1,205)	(44,737)
Other, net	5,358	(708)
Net cash provided by operating activities	60,551	75,312
Investing activities
Capital expenditures	(16,601)	(31,291)
Payments for net assets of businesses acquired		(28,273)
Transfers (to) from restricted cash	(275)	21,633
Proceeds from sales of short-term investments	99,533	374,226
Payments for purchases of short-term investments	(49,014)	(361,051)
Other		1
Proceeds from sale of assets from discontinued segment	3,758
Net cash provided by (used in) investing activities	37,401	(24,755)
Financing activities
Proceeds from stock option exercises	2,161	9,095
Restricted stock tax withholdings	(1,330)	(2,658)
Excess tax benefits from stock option exercises	978	7,254
Purchases of treasury stock		(7,753)
Repayments of long-term debt	(121)	(105,686)
Other		(2)
Net cash provided by (used in) financing activities	1,688	(99,750)
Effect of exchange rate changes on cash and cash equivalents	(515)	1,729
Net increase (decrease) in cash and cash equivalents	99,125	(47,464)
Cash and cash equivalents at beginning of period	217,922	245,132
Cash and cash equivalents at end of period	$ 317,047	$ 197,668