Interim Financial Information (Tables)

12 Months Ended

Dec. 31, 2012

Interim Financial Information [Abstract]

Schedule Of Quarterly Financial Information

	(In thousands, except per share data)
Quarter	Net Sales		Gross Profit		Net Earnings		Earnings per Share (Basic)		Earnings per Share (Diluted)
2012
First	$	96,773	$	20,352	$	9,344	$	1.36	$	1.36
Second		117,114		19,594		8,703		1.26		1.26
Third		116,813		22,907		9,401		1.36		1.36
Fourth		141,790		32,010		11,427		1.66		1.66
Total	$	472,490	$	94,863	$	38,875	$	5.64	$	5.64
2011
First	$	108,886	$	21,954	$	11,363	$	1.65	$	1.65
Second		98,268		20,665		10,817		1.57		1.57
Third		104,861		23,657		12,386		1.80		1.80
Fourth		119,006		27,483		13,402		1.96		1.96
Total	$	431,021	$	93,759	$	47,968	$	6.98	$	6.98