Quarterly Results Of Operations (Tables)

12 Months Ended

Dec. 31, 2011

Quarterly Results Of Operations [Abstract]

Summarized Quarterly Results Of Operations

	2011 Quarters								2010 Quarters
	First		Second		Third		Fourth		First		Second		Third		Fourth
	(In thousands, except per share amounts)								(In thousands, except per share amounts)
Net sales	$	427,089	$	453,798	$	476,881	$	480,683	$	355,598	$	378,526	$	373,731	$	405,218
Gross profit		178,700		184,839		181,532		193,602		147,541		154,821		154,133		161,988
Operating income		77,721		79,629		71,305		76,001		57,893		62,780		62,439		66,004
Net income		47,951		50,182		48,336		47,388		36,625		40,398		38,564		41,513
Basic EPS	$	.58	$	.61	$	.58	$	.57	$	.45	$	.50	$	.47	$	.51
Diluted EPS	$	.57	$	.60	$	.58	$	.57	$	.45	$	.49	$	.47	$	.50
Basic weighted average shares outstanding		81,430		82,151		82,402		82,596		80,080		80,369		80,517		80,899
Diluted weighted average shares outstanding		83,248		83,778		83,586		83,573		81,509		81,800		81,938		82,686