CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Net sales	$ 768,357	$ 703,087
Cost of goods sold	654,312	601,125
Gross profit	114,045	101,962
Selling, general and administrative expenses	44,680	46,588
Rationalization charges	3,603	1,732
Income from operations	65,762	53,642	[1]
Interest and other debt expense	15,588	13,940
Income before income taxes	50,174	39,702
Provision for income taxes	17,424	13,590
Net income	$ 32,750	$ 26,112
Earnings per share:
Basic net income per share	$ 0.47	$ 0.37
Diluted net income per share	$ 0.47	$ 0.37
Dividends per share	$ 0.12	$ 0.11
Weighted average number of shares:
Basic	69,940	69,983
Effect of dilutive securities	325	517
Diluted	70,265	70,500

[1] Income from operations for corporate includes costs attributable to announced acquisitions of $1.8 million.