Condensed Consolidated Statements of Cash Flows (USD $) In Thousands	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities:
Net income	$ 12,305	$ 27,050
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation, amortization and accretion	11,539	6,236
Recovery of doubtful accounts, net	(53)	(1,398)
Write-down of inventory	3,005	823
Stock compensation	6,830	6,557
Other	(437)	(820)
Changes in operating assets and liabilities, net of assets and liabilities acquired in the acquisition of businesses:
Trade accounts receivable	9,763	(3,822)
Inventories	(88,054)	(34,930)
Prepaid expenses and other current assets	(5,880)	585
Income tax receivable	(16,285)
Other assets	(3,070)	(564)
Trade accounts payable	40,302	32,623
Accrued expenses	(28,959)	(15,918)
Income taxes payable	(20,902)	(12,870)
Long-term liabilities	1,517	622
Net cash (used in) provided by operating activities	(78,379)	4,174
Cash flows from investing activities:
Proceeds from sales of short-term investments		26,080
Purchases of property and equipment	(13,910)	(6,733)
Acquisition of business		(3,191)
Purchases of intangible assets	(4,458)
Net cash (used in) provided by investing activities	(18,368)	16,156
Cash flows from financing activities:
Cash paid for shares withheld for taxes	(10,686)	(1,417)
Excess tax benefits from stock compensation	6,641	1,479
Cash received from issuances of common stock	4	84
Cash paid for repurchases of common stock	(19,918)	(2,635)
Net cash used in financing activities	(23,959)	(2,489)
Effect of exchange rates on cash	650	42
Net change in cash and cash equivalents	(120,056)	17,883
Cash and cash equivalents at beginning of period	445,226	315,862
Cash and cash equivalents at end of period	325,170	333,745
Cash paid during the period for:
Income taxes	35,777	27,243
Interest	12	1
Non-cash investing activity:
Accruals for purchases of property and equipment	162	324
Accruals for asset retirement obligation assets	13
Non-cash financing activity:
Accruals for shares withheld for taxes	$ 1,934	$ 555

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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Amount of the current period expense charged against operations, the offset which is generally to the allowance for doubtful accounts for the purpose of reducing receivables, including notes receivable, to an amount that approximates their net realizable value (the amount expected to be collected).

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