Fair Value Measurements (Tables)

12 Months Ended

Nov. 30, 2015

Fair Value, Assets, Liabilities and Stockholders' Equity Measured on Recurring Basis [Abstract]

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

The change in fair value of our Level 3 liabilities for the year ended November 30, 2015 is summarized as follows (in millions):

	Beginning of year		Acquisition-date fair value		Settlements		Changes in fair value including accretion		Impact of foreign currency			Balance as of November 30, 2015
Contingent consideration related to acquisition	$	—	$	27.7	$	—	$	0.5	$	(1.1	)	$	27.1

Assets And Liabilities Measured At Fair Value On Recurring Basis

Our population of assets and liabilities subject to fair value measurements on a recurring basis at November 30, 2015 and 2014 are as follows:

			Fair value measurements using fair value hierarchy as of  November 30, 2015
(millions)	Fair value		Level 1		Level 2		Level 3
Assets
Cash and cash equivalents	$	112.6	$	112.6	—		—
Insurance contracts	104.1		—		$	104.1	—
Bonds and other long-term investments	8.5		8.5		—		—
Interest rate derivatives	2.5		—		2.5		—
Foreign currency derivatives	3.4		—		3.4		—
Total	$	231.1	$	121.1	$	110.0	—
Liabilities
Interest rate derivatives	$	0.6	—		$	0.6	—
Foreign currency derivatives	0.7		—		0.7		—
Contingent consideration related to acquisition	27.1		—		—		$	27.1
Total	$	28.4	—		$	1.3	$	27.1

			Fair value measurements using fair value hierarchy as of November 30, 2014
(millions)	Fair value		Level 1		Level 2		Level 3
Assets
Cash and cash equivalents	$	77.3	$	77.3	—		—
Insurance contracts	104.5		—		$	104.5	—
Bonds and other long-term investments	8.5		8.5		—		—
Interest rate derivatives	7.4		—		7.4		—
Foreign currency derivatives	4.9		—		4.9		—
Total	$	202.6	$	85.8	$	116.8	—
Liabilities
Foreign currency derivatives	$	1.4	—		$	1.4	—
Total	$	1.4	—		$	1.4	—