Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013
Current assets:
Cash and cash equivalents	$ 83,222	$ 160,463	$ 158,637
Trade accounts receivable, net	400,925	333,041	349,276
Inventories	648,723	515,570	645,770
Prepaid expenses and other current assets	63,358	73,374	64,982
Total current assets	1,196,228	1,082,448	1,218,665
Property, plant and equipment, net	1,102,000	1,118,443	1,070,814
Goodwill	649,381	651,049	507,265
Other intangible assets, net	225,256	229,166	170,122
Other assets, net	266,261	239,976	132,786
Assets, Total	3,439,126	3,321,082	3,099,652
Current liabilities:
Revolving loans and current portion of long-term debt	302,087	146,174	526,059
Trade accounts payable	296,777	352,192	245,165
Accrued payroll and related costs	57,643	53,879	61,325
Accrued liabilities	78,507	68,011	82,614
Total current liabilities	735,014	620,256	915,163
Long-term debt	1,557,722	1,557,662	1,257,590
Other liabilities	421,295	429,321	416,005
Stockholders’ equity:
Common stock	876	876	876
Paid-in capital	215,920	212,822	206,243
Retained earnings	1,191,541	1,169,754	1,036,896
Accumulated other comprehensive loss	(47,963)	(38,119)	(118,452)
Treasury stock	(635,279)	(631,490)	(614,669)
Total stockholders’ equity	725,095	713,843	510,894
Liabilities and Equity, Total	$ 3,439,126	$ 3,321,082	$ 3,099,652