Comprehensive Earnings (Tables)

9 Months Ended

Sep. 30, 2011

Notes to Financial Statements [Abstract]

Comprehensive Earnings

6.   Comprehensive Earnings

Comprehensive earnings include net earnings and all other non-owner sources of changes in net assets and are as follows (in thousands):

	Three months ended September 30,		Nine months ended September 30,
	2011	2010	2011	2010
Net earnings	$ 110,281	$ 84,263	$ 305,571	$ 215,269
Currency translation adjustments	(27,746))	36,837	1,703	(11,431))
Comprehensive earnings	$ 82,535	$ 121,100	$ 307,274	$ 203,838