Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net income	$ 228,892	$ 124,502
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	137,318	92,088
Deferred income tax provision	16,281	920
Excess tax benefits from share-based payment arrangements	(7,966)	(2,126)
Non-cash compensation charge	10,829	9,687
Accretion of debt discount	5,787	5,388
Amortization of deferred financing costs	4,699	790
Other, net	(1,666)	(1,667)
Changes in operating assets and liabilities, net of effect from acquired businesses :
Accounts receivable	(109,415)	10,912
Inventories	(104,421)	(81,146)
Accounts payable and accrued liabilities	28,137	28,513
Taxes payable	11,343	(10,922)
Other current assets and liabilities, net	3,256	(23,554)
Net cash flow provided by operating activities	223,074	153,385
Cash flows from investing activities:
Acquisitions of businesses, net of cash acquired	(212)
Capital expenditures, including capitalized interest	371,165	(120,952)
Other, net	(823)	1,925
Net cash flows used in investing activities	(372,200)	(119,027)
Cash flows from financing activities:
Revolving credit borrowings and (repayments), net	(395,908)
6 1/2% senior notes issued	600,000
Term loan repayments	(11,246)
Debt and capital lease repayments	(966)	(357)
Issuance of common stock from share-based payment arrangements	11,559	14,165
Purchase of treasury stock	(12,632)
Excess tax benefits from share-based payment arrangements	7,966	2,126
Payment of financing costs	(13,152)
Other, net	(2,551)	(1,406)
Net cash flows provided by financing activities	183,070	14,528
Effect of exchange rate changes on cash	(11,325)	(143)
Net increase in cash and cash equivalents from continuing operations	22,619	48,743
Net cash used in discontinued operations - operating activities	(118)	(105)
Cash and cash equivalents, beginning of period	96,350	89,742
Cash and cash equivalents, end of period	$ 118,851	$ 138,380