Quarterly Results (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2012

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information Table

	1st		2nd	3rd	4th
2012
Revenues	$	1,411,370	1,504,952	1,531,664	1,532,957
Net revenues	446,571		453,651	465,138	458,738
Net earnings	76,722		84,021	88,727	83,499
Net earnings attributable to shareholders	76,707		83,955	88,490	84,208
Diluted earnings attributable to shareholders per share	.36		.39	.42	.40
Basic earnings attributable to shareholders per share	.36		.40	.42	.41
2011
Revenues	$	1,460,848	1,581,368	1,606,368	1,501,914
Net revenues	453,915		472,561	493,846	476,155
Net earnings	91,207		95,020	106,876	93,140
Net earnings attributable to shareholders	91,232		95,000	106,604	92,843
Diluted earnings attributable to shareholders per share	.42		.44	.50	.43
Basic earnings attributable to shareholders per share	.43		.45	.50	.44