Income Taxes (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2013	Nov. 30, 2012
Tax Credit Carryforward [Line Items]
Non-U.S. subsidiaries tax loss carryforwards	$ 140.2
Tax loss carryforwards expiring through 2016	2.4
Tax loss carryforwards expiring from 2017 through 2018	13.1
Tax Loss Carryforwards expiring from 2019 Through 2026	37.4
Tax loss carryforwards indefinitely	87.3
Non-U.S. subsidiaries capital loss carryforwards		$ 5.7
Tax credit carryforwards	14.9
Net increase in the valuation allowance	7.2
Unremitted earnings	1,400.0
Unrecognized tax benefits	56.5	55.7	$ 58.0	$ 46.7
Statute expirations	8.1	0.7	0.1
Interest and penalty (income) / expense	(0.1)	0.5	$ 1.3
Interest and penalties accrued	4.5	5.0
Tax benefits that would impact effective tax rate	45.6
2020 Expiration [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	$ 0.7
Tax credit carryforwards expiration year	Nov. 30, 2020
2021 Expiration [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	$ 0.6
Tax credit carryforwards expiration year	Nov. 30, 2021
2022 Expiration [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforwards		$ 13.5
Tax credit carryforwards expiration year	Nov. 30, 2022