Condensed Consolidated Statments of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Net earnings	$ 76,722	$ 91,207
Other comprehensive income, net of tax:
Foreign currency translation adjustments, net of tax of $5,499 and $4,841 for the three months ended March 31, 2012 and 2011	10,162	8,821
Other comprehensive income	10,162	8,821
Comprehensive income	86,884	100,028
Less comprehensive income (loss) attributable to the noncontrolling Interest	149	(37)
Comprehensive income attributable to shareholders	$ 86,735	$ 100,065