Fair Value Measurements (Tables)

12 Months Ended

Nov. 30, 2018

Fair Value Disclosures [Abstract]

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 are as follows:

			Fair value measurements using fair value hierarchy as of  November 30, 2018
(millions)	Fair value		Level 1		Level 2
Assets:
Cash and cash equivalents	$	96.6	$	96.6	$	—
Insurance contracts	118.0		—		118.0
Bonds and other long-term investments	2.8		2.8		—
Foreign currency derivatives	4.4		—		4.4
Total	$	221.8	$	99.4	$	122.4
Liabilities:
Interest rate derivatives	$	6.4	$	—	$	6.4
Foreign currency derivatives	6.4		—		6.4
Total	$	12.8	$	—	$	12.8

			Fair value measurements using fair value hierarchy as of  November 30, 2017
(millions)	Fair value		Level 1		Level 2
Assets:
Cash and cash equivalents	$	186.8	$	186.8	$	—
Insurance contracts	119.5		—		119.5
Bonds and other long-term investments	7.5		7.5		—
Foreign currency derivatives	12.7		—		12.7
Total	$	326.5	$	194.3	$	132.2
Liabilities:
Interest rate derivatives	$	2.5	$	—	$	2.5
Foreign currency derivatives	4.7		—		4.7
Total	$	7.2	$	—	$	7.2