Comprehensive Income (Tables)

9 Months Ended

Sep. 30, 2011

Comprehensive Income [Abstract]

Comprehensive Income

	Nine Months Ended September 30,
	2011			2010
	(in thousands)
Net income	$	430,159		$	356,861
Other comprehensive (loss) income:
Foreign currency translation		(37,547	)		13,526
Pension and other post-retirement benefit adjustments:
Recognition of prior service credit, net of tax		(3,931	)		(3,755	)
Recognition of actuarial loss, net of tax		14,438			16,799
Net actuarial gain, net of tax		—			14,825
Total other comprehensive (loss) income		(27,040	)		41,395
Comprehensive income	$	403,119		$	398,256