Quarterly Results (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2014

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information Table

	1st		2nd	3rd	4th
2014
Revenues	$	1,491,645	1,599,141	1,705,105	1,768,830
Net revenues	464,586		484,714	513,256	518,871
Net earnings	84,195		91,728	102,797	100,740
Net earnings attributable to shareholders	83,824		91,302	102,381	99,381
Diluted earnings attributable to shareholders per share	0.42		0.46	0.53	0.51
Basic earnings attributable to shareholders per share	0.42		0.46	0.53	0.52
2013
Revenues	$	1,413,208	1,503,224	1,537,966	1,625,859
Net revenues	448,007		471,872	484,902	478,072
Net earnings	80,610		92,663	92,729	84,009
Net earnings attributable to shareholders	80,315		92,315	92,400	83,496
Diluted earnings attributable to shareholders per share	0.39		0.45	0.45	0.41
Basic earnings attributable to shareholders per share	0.39		0.45	0.45	0.41