Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net earnings	$ 350,011	$ 332,969	$ 386,243
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments, net of tax of $6,574 in 2013, $4,419 in 2012 and $6,471 in 2011	(12,420)	8,164	(12,131)
Reclassification adjustments for foreign currency realized losses, net of tax of $348 in 2012 and $393 in 2011	0	647	616
Other comprehensive (loss) income	(12,420)	8,811	(11,515)
Comprehensive income	337,591	341,780	374,728
Less comprehensive income (loss) attributable to the noncontrolling interest	1,064	(278)	138
Comprehensive income attributable to shareholders	$ 336,527	$ 342,058	$ 374,590