Unaudited Quarterly Data

12 Months Ended

Dec. 31, 2012

Quarterly Financial Data [Abstract]

Unaudited Quarterly Data

Note R — Unaudited Quarterly Data

Summarized quarterly financial data for the years ended December 31, 2012, 2011 and 2010 is as follows:

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter
	(In thousands, except per share data)
Year Ended December 31, 2012
Revenues	$	835,254	$	749,698	$	739,314	$	758,380
Gross profit	560,417		526,973		519,341		527,186
Operating profit	92,034		79,027		68,113		79,298
Net earnings	51,941		44,182		39,910		47,459
Basic earnings per common share	$	0.88	$	0.75	$	0.68	$	0.81
Diluted earnings per common share	$	0.87	$	0.74	$	0.67	$	0.81
Cash dividends paid per common share	$	0.16	$	0.16	$	0.16	$	0.16

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter
	(In thousands, except per share data)
Year Ended December 31, 2011
Revenues	$	742,178	$	698,253	$	704,271	$	737,482
Gross profit	523,148		506,355		505,724		517,289
Operating profit	80,419		73,152		57,796		81,790
Net earnings	44,230		39,888		31,224		49,295
Basic earnings per common share	$	0.70	$	0.64	$	0.52	$	0.84
Diluted earnings per common share	$	0.69	$	0.63	$	0.52	$	0.83
Cash dividends paid per common share	$	0.06	$	0.06	$	0.16	$	0.16

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter
	(In thousands, except per share data)
Year Ended December 31, 2010
Revenues	$	718,419	$	671,543	$	664,580	$	677,090
Gross profit	513,000		497,665		490,013		494,994
Operating profit	88,703		82,831		69,393		62,842
Net earnings	51,461		47,830		40,497		31,854
Basic earnings per common share	$	0.78	$	0.73	$	0.62	$	0.50
Diluted earnings per common share	$	0.77	$	0.72	$	0.62	$	0.49
Cash dividends paid per common share	$	—	$	—	$	0.06	$	0.06