Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash Flows from Operating Activities
Net income	$ 39,983	$ 107,711
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	12,181	9,291
Amortization of debt discount		1,260
Non-cash equity-based compensation	10,629	9,472
Loss on extinguishment of debt		3,349
Deferred income taxes	278	6,800
Gain on disposal of segment	(4,112)
Excess tax benefits from stock option exercises	(2,211)	(8,601)
Other, net	10
Non-cash items from discontinued operations	(904)	44,381
Changes in operating assets and liabilities:
Accounts receivable	34,486	36,222
Transfers to restricted cash	(275)
Inventories	40,271	(32,639)
Prepaid expenses and other current assets	(219)	(32,645)
Accounts payable	(2,811)	12,494
Accrued expenses, deferred profit and other current liabilities	(24,897)	(49,685)
Income taxes payable	(224)	(43,023)
Other, net	5,582	(4,292)
Discontinued operations	(1,932)
Net cash provided by operating activities	105,835	60,095
Cash Flows from Investing Activities
Capital expenditures	(22,706)	(47,516)
Payments for net assets of businesses acquired		(28,273)
Payment for purchase of cost method investment	(10,341)
Transfers from restricted cash		53,216
Proceeds from sales of short-term investments	176,303	667,216
Payments for purchases of short-term investments	(89,848)	(486,639)
Other	58	110
Proceeds from sale of assets from discontinued segment	3,758
Net cash provided by investing activities	57,224	158,114
Cash Flows from Financing Activities
Proceeds from stock option exercises	5,370	9,975
Restricted stock tax withholdings	(1,418)	(2,919)
Excess tax benefits from stock option exercises	2,211	8,601
Purchases of treasury stock		(162,077)
Repayments of long-term debt	(184)	(105,745)
Net cash provided by (used in) financing activities	5,979	(252,165)
Effect of exchange rate changes on cash and cash equivalents	88	2,060
Net increase (decrease) in cash and cash equivalents	169,126	(31,896)
Cash and cash equivalents at beginning of period	217,922	245,132
Cash and cash equivalents at end of period	387,048	213,236
Non-cash investing and financing activities
Transfers from property, plant and equipment to inventory	$ 1,242