Comprehensive Income

3 Months Ended

Mar. 31, 2012

Comprehensive Income [Abstract]

Comprehensive Income

Note C—Comprehensive Income

Comprehensive income was $174.8 million and $154.8 million for the three months ended March 31, 2012 and 2011, respectively. The difference between comprehensive income and net income was due to foreign currency translation adjustments and pension and other post-retirement benefit adjustments, as summarized below:

	Three months Ended March 31,
	2012			2011
	(in thousands)
Net income	$	146,255		$	126,515
Other comprehensive income:
Foreign currency translation		18,677			21,575
Pension and other post-retirement benefit adjustments:
Recognition of prior service credit, net of tax		(1,239	)		(1,256	)
Recognition of actuarial loss, net of tax		11,081			8,004
Total other comprehensive income		28,519			28,323
Comprehensive income	$	174,774		$	154,838