Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2011

QUARTERLY FINANCIAL DATA (UNAUDITED) [Abstract]

Quarterly Financial Information Disclosure

QUARTERLY FINANCIAL DATA (UNAUDITED)

Quarterly financial data for the years ended December 31, 2011 and 2010 are as follows:

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
2011
Net sales	$	498,766	$	561,088	$	601,114	$	648,360
Gross profit	261,507		296,191		314,417		346,159
Net earnings	$	46,827	$	60,188	$	68,196	$	94,282
Basic earnings per common share:
Net earnings	$	1.45	$	1.88	$	2.15	$	2.99
Weighted average number of common shares	32,290,595		31,997,850		31,760,270		31,542,400
Diluted earnings per common share:
Net earnings	$	1.41	$	1.82	$	2.09	$	2.91
Weighted average number of common and common equivalent shares	33,291,632		33,013,887		32,664,482		32,387,459
Market price per share:
High	$	177.07	$	191.95	$	175.28	$	167.13
Low	$	147.23	$	157.13	$	131.91	$	130.12
2010
Net sales	$	416,651	$	468,549	$	490,213	$	592,765
Gross profit	217,926		246,625		256,055		316,590
Net earnings	$	37,868	$	51,347	$	62,081	$	80,852
Basic earnings per common share:
Net earnings	$	1.12	$	1.53	$	1.87	$	2.48
Weighted average number of common shares	33,757,175		33,536,105		33,171,017		32,657,555
Diluted earnings per common share:
Net earnings	$	1.10	$	1.49	$	1.82	$	2.41
Weighted average number of common and common equivalent shares	34,533,067		34,395,487		34,027,191		33,604,641
Market price per share:
High	$	110.31	$	126.70	$	124.44	$	157.55
Low	$	94.10	$	107.42	$	108.42	$	123.28