Comprehensive Income

9 Months Ended

Jan. 31, 2012

Comprehensive Income [Abstract]

Comprehensive Income

9. Comprehensive Income

Comprehensive income is a broad measure of the effects of all transactions and events (other than investments by or distributions to stockholders) that are recognized in stockholders’ equity, regardless of whether those transactions and events are included in net income. The following table adjusts net income for the other items included in the determination of comprehensive income:

	Three Months Ended					Nine Months Ended
	January 31,					January 31,
(Dollars in millions)	2011		2012			2011			2012
Net income	$	140.7	$	133.1		$	406.1		$	408.7
Other comprehensive income (loss), net of tax:
Postretirement benefits adjustment		2.6		3.3			8.3			9.9
Foreign currency translation adjustment		1.3		(10.4	)		7.0			(54.0	)
Net gain (loss) on cash flow hedges		2.2		4.6			(6.6	)		13.2
		6.1		(2.5	)		8.7			(30.9	)
Comprehensive income	$	146.8	$	130.6		$	414.8		$	377.8

Accumulated other comprehensive income (loss), net of tax, consisted of the following:

(Dollars in millions)	April 30, 2011			January 31, 2012
Postretirement benefits adjustment	$	(164.5	)	$	(154.6	)
Cumulative translation adjustment		48.1			(5.9	)
Unrealized loss on cash flow hedge contracts		(13.6	)		(0.4	)
	$	(130.0	)	$	(160.9	)