Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 465,608	$ 397,101
Trade accounts receivable, less allowances of $5,869 and $5,934, respectively	326,691	339,909
Inventories	515,927	554,148
Prepaid expenses and other current assets	70,261	42,565
Total current assets	1,378,487	1,333,723
Property, plant and equipment, net	1,098,809	1,064,708
Goodwill	510,836	389,922
Other intangible assets, net	171,917	96,442
Other assets, net	133,494	94,292
Total assets	3,293,543	2,979,087
Current liabilities:
Revolving loans and current portion of long-term debt	255,349	87,776
Trade accounts payable	318,669	319,339
Accrued payroll and related costs	62,144	58,429
Accrued liabilities	66,397	129,945
Total current liabilities	702,559	595,489
Long-term debt	1,415,967	1,288,483
Other liabilities	421,374	437,121
Commitments and contingencies
Stockholders' equity:
Common stock ($0.01 par value per share; 200,000,000 and 200,000,000 shares authorized, 87,556,248 and 87,519,715 shares issued and 69,203,967 and 69,883,808 shares outstanding, respectively)	876	875
Paid-in capital	204,449	196,626
Retained earnings	1,020,543	902,987
Accumulated other comprehensive loss	(109,913)	(115,282)
Treasury stock at cost (18,352,281 and 17,635,907 shares, respectively)	(362,312)	(327,212)
Total stockholders' equity	753,643	657,994
Liabilities and Equity, Total	$ 3,293,543	$ 2,979,087