Comprehensive Income (Tables)

6 Months Ended

Jun. 30, 2011

Comprehensive Income (Tables) [Abstract]

Comprehensive Income

	Six Months Ended June 30,
	2011			2010
	(in thousands)
Net income	$	278,327		$	225,076
Other comprehensive income:
Foreign currency translation		26,363			(8,067	)
Pension and other post-retirement benefit adjustments:
Recognition of prior service credit, net of tax		(2,519	)		(2,502	)
Recognition of actuarial loss, net of tax		16,028			11,926
Total other comprehensive income		39,872			1,357
Comprehensive income	$	318,199		$	226,433