Fair Value Measurements (Tables)

3 Months Ended

Jul. 31, 2012

Fair Value Measurements [Abstract]

Summary of assets and liabilities measured at fair value on a recurring basis

The following table summarizes the assets and liabilities measured at fair value on a recurring basis as of July 31, 2012:

(Dollars in millions)	Level 1		Level 2		Level 3		Total
Assets:
Currency derivatives		—	$	8.0		—	$	8.0
Interest rate swaps		—		2.2		—		2.2
Liabilities:
Currency derivatives		—		4.7		—		4.7
Short-term borrowings		—		6.5		—		6.5
Current portion of long-term debt		—		2.7		—		2.7
Long-term debt		—		529.6		—		529.6