Total Comprehensive Income (Tables)

6 Months Ended

Jun. 30, 2011

Table Text Block Supplement [Abstract]

Schedule of Comprehensive Income

Total Comprehensive Income
		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2011		2010		2011		2010
Net income	$	18,723	$	17,550	$	38,987	$	33,230
Translation adjustment		1,507		(2,833)		6,231		(10,913)
Unrealized gain/(loss) on defined benefit plan, net of tax		(2,183)		(3,177)		5,129		(5,870)
Comprehensive income		18,047		11,540		50,347		16,447
Less: Comprehensive income attributable to noncontrolling interest		(742)		(903)		(1,322)		(1,625)
Total comprehensive income attributable to common stockholders	$	17,305	$	10,637	$	49,025	$	14,822