Income Taxes (Narrative) (Details) (USD $)	12 Months Ended
	Nov. 30, 2013	Nov. 30, 2012	Nov. 30, 2011	Nov. 30, 2010
Tax Credit Carryforward [Line Items]
Non-U.S. subsidiaries tax loss carryforwards	$ 155,000,000
Excess tax benefits related to stock-based compensation	2,800,000
Tax loss carryforwards expiring through 2016	43,800,000
Tax loss carryforwards expiring from 2017 through 2025	40,600,000
Tax loss carryforwards indefinitely	70,600,000
Non-U.S. subsidiaries capital loss carryforwards	6,200,000
Tax credit carryforwards	19,300,000
Net increase in the valuation allowance	(6,300,000)
Unremitted earnings	1,100,000,000
Unrecognized tax benefits	58,000,000	46,700,000	33,200,000	20,700,000
Statute expirations	100,000	1,200,000	1,200,000
Interest and penalty (income) / expense	1,300,000	1,400,000	600,000
Interest and penalties accrued	5,200,000	4,000,000
Tax benefits that would impact effective tax rate	49,800,000
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	4,200,000
Deposits Assets	18,800,000
2020 Expiration [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	5,200,000
Tax credit carryforwards expiration year	Nov. 30, 2020
2021 Expiration [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	600,000
Tax credit carryforwards expiration year	Nov. 30, 2021
2022 Expiration [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	$ 13,500,000
Tax credit carryforwards expiration year	Nov. 30, 2022