CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 397,101	$ 175,226
Trade accounts receivable, less allowances of $5,934 and $6,225, respectively	339,909	214,443
Inventories	554,148	438,536
Prepaid expenses and other current assets	42,565	36,290
Total current assets	1,333,723	864,495
Property, plant and equipment, net	1,064,708	849,720
Goodwill	389,922	324,763
Other intangible assets, net	96,442	72,054
Other assets, net	94,292	64,986
Total assets	2,979,087	2,176,018
Current liabilities:
Revolving loans and current portion of long-term debt	87,776	13,949
Trade accounts payable	319,339	288,858
Accrued payroll and related costs	58,429	57,414
Accrued liabilities	129,945	52,914
Total current liabilities	595,489	413,135
Long-term debt	1,288,483	890,725
Other liabilities	437,121	318,559
Commitments and contingencies
Stockholders' equity:
Common stock ($0.01 par value per share; 200,000,000 and 200,000,000 shares authorized, 87,519,715 and 87,302,355 shares issued and 69,883,808 and 69,875,873 shares outstanding, respectively)	875	873
Paid-in capital	196,626	183,524
Retained earnings	902,987	740,923
Accumulated other comprehensive loss	(115,282)	(63,026)
Treasury stock at cost (17,635,907 and 17,426,482 shares, respectively)	(327,212)	(308,695)
Total stockholders' equity	657,994	553,599
Liabilities and Equity, Total	$ 2,979,087	$ 2,176,018