Fair Value Measurements (Tables)

9 Months Ended

Aug. 31, 2014

Fair Value Disclosures [Abstract]

Assets and liabilities measured at fair value on recurring basis

Our population of financial assets and liabilities subject to fair value measurements on a recurring basis are as follows (in millions):

			August 31, 2014
	Fair Value		Level 1		Level 2		Level 3
Assets
Cash and cash equivalents	$	93.8	$	93.8	$	—	$	—
Insurance contracts	103.3		—		103.3		—
Bonds and other long-term investments	8.2		8.2		—		—
Interest rate derivatives	7.3		—		7.3		—
Foreign currency derivatives	1.6		—		1.6		—
Total	$	214.2	$	102.0	$	112.2	$	—
Liabilities
Foreign currency derivatives	$	0.8	$	—	$	0.8	$	—

			August 31, 2013
	Fair Value		Level 1		Level 2		Level 3
Assets
Cash and cash equivalents	$	146.8	$	146.8	$	—	$	—
Insurance contracts	84.3		—		84.3		—
Bonds and other long-term investments	13.0		13.0		—		—
Interest rate derivatives	11.5		—		11.5		—
Foreign currency derivatives	1.4		—		1.4		—
Total	$	257.0	$	159.8	$	97.2	$	—
Liabilities
Foreign currency derivatives	$	1.0	$	—	$	1.0	$	—

			November 30, 2013
	Fair Value		Level 1		Level 2		Level 3
Assets
Cash and cash equivalents	$	63.0	$	63.0	$	—	$	—
Insurance contracts	90.1		—		90.1		—
Bonds and other long-term investments	13.3		13.3		—		—
Interest rate derivatives	12.2		—		12.2		—
Foreign currency derivatives	1.1		—		1.1		—
Total	$	179.7	$	76.3	$	103.4	$	—
Liabilities
Foreign currency derivatives	$	1.6	$	—	$	1.6	$	—