Income Taxes (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Nov. 30, 2025	Nov. 30, 2024	Nov. 30, 2023	Nov. 30, 2022
Income Tax Contingency [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%	21.00%
Current, Federal	$ 76.6	$ 103.0	$ 82.4
Non-U.S. subsidiaries tax loss carryforwards	166.5
Tax loss carryforwards expiring through 2026	4.9
Tax loss carryforwards expiring from 2027 through 2028	13.8
Tax Loss Carryforwards expiring from 2029 Through 2042	35.5
Net decrease in the valuation allowance	7.6
Unrecognized tax benefits	12.3	17.8	24.0	$ 25.1
Interest and penalty (income) / expense	(0.8)	(0.9)	(0.5)
Interest and penalties accrued	2.1	2.9
Tax benefits that would impact effective tax rate	12.3	17.8	24.0
Deferred, Federal	(2.6)	$ 15.2	$ 2.2
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration	112.3
Undistributed Earnings of Foreign Subsidiaries	1,700.0
Tax Credit Carryforward, Amount	32.5
Expiration Year 2030
Income Tax Contingency [Line Items]
Tax Credit Carryforward, Amount	6.4
Expiration Year 2031-32
Income Tax Contingency [Line Items]
Tax Credit Carryforward, Amount	8.1
Expiration Year 2033-35
Income Tax Contingency [Line Items]
Tax Credit Carryforward, Amount	$ 18.0