SELECTED QUARTERLY DATA (Unaudited)

12 Months Ended

Dec. 31, 2011

SELECTED QUARTERLY DATA (Unaudited)

15.   SELECTED QUARTERLY DATA (Unaudited)

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

	Year Ended December 31, 2011
	First		Second		Third		Fourth
	Quarter		Quarter		Quarter		Quarter
Revenues	$	600.2	$	608.9	$	636.0	$	654.7
Gross profit		222.7		233.1		238.0		242.5
Net earnings		50.3		54.8		65.4		57.3
Basic net earnings per share (1)		0.50		0.54		0.65		0.57
Diluted net earnings per share (1)		0.49		0.54		0.64		0.56

	Year Ended December 31, 2010
	First		Second		Third		Fourth
	Quarter		Quarter		Quarter		Quarter
Revenues	$	463.5	$	483.9	$	495.0	$	541.8
Gross profit		167.8		174.3		183.9		194.5
Net earnings		33.8		37.3		41.0		31.2
Basic net earnings per share (1)		0.34		0.37		0.41		0.31
Diluted net earnings per share (1)		0.34		0.37		0.41		0.31

(1)   Net earnings per share are computed individually for each quarter presented. Therefore, the sum of the quarterly net earnings per share may not necessarily equal the total for the year.