Fair Value of Financial Instruments (Tables)

9 Months Ended

Jan. 31, 2012

Fair Value of Financial Instruments [Abstract]

Comparison of the fair values and carrying amounts of financial instrument

(Dollars in millions)	Carrying Amount		Fair Value
Assets:
Cash and cash equivalents	$	494.9	$	494.9
Currency derivatives		2.0		2.0
Interest rate swaps		3.5		3.5
Liabilities:
Commodity derivatives		0.4		0.4
Currency derivatives		4.3		4.3
Short-term borrowings		5.0		5.0
Current portion of long-term debt		253.0		254.0
Long-term debt		503.5		536.9