Comprehensive Income

6 Months Ended

Oct. 31, 2011

Comprehensive Income [Abstract]

Comprehensive Income

8. 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 October 31,						Six Months Ended October 31,
(Dollars in millions)	2010			2011			2010			2011
Net income	$	154.0		$	157.6		$	265.4		$	275.6
Other comprehensive income (loss), net of tax:
Postretirement benefits adjustment		3.1			3.3			5.7			6.6
Foreign currency translation adjustment		14.5			(34.3	)		5.7			(43.6	)
Net (loss) gain on cash flow hedges		(6.4	)		4.6			(8.8	)		8.6
		11.2			(26.4	)		2.6			(28.4	)
Comprehensive income	$	165.2		$	131.2		$	268.0		$	247.2

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

(Dollars in millions)	April 30, 2011			October 31, 2011
Postretirement benefits adjustment	$	(164.5	)	$	(157.9	)
Cumulative translation adjustment		48.1			4.5
Unrealized loss on cash flow hedge contracts		(13.6	)		(5.0	)
	$	(130.0	)	$	(158.4	)