Balance Sheet Accounts and Supplemental Disclosures - Schedule of Other Current Liabilities (Details) (USD $) In Millions, unless otherwise specified	Nov. 30, 2014	Nov. 30, 2013
Schedule Of Other Liabilities [Line Items]
Accrued compensation and employee benefits	$ 96.1us-gaap_AccruedEmployeeBenefitsCurrent	$ 97.4us-gaap_AccruedEmployeeBenefitsCurrent
Taxes Payable	14.1	0
Income taxes		0us-gaap_TaxesPayableCurrent
Interest payable	14.6us-gaap_InterestPayableCurrent	12.3us-gaap_InterestPayableCurrent
Contract loss provisions	13.4us-gaap_ProvisionForLossOnContracts	10.5us-gaap_ProvisionForLossOnContracts
Other	71.6gy_MiscellaneousOtherLiabilitiesCurrent	65.4gy_MiscellaneousOtherLiabilitiesCurrent
Other current liabilities	221.7us-gaap_OtherLiabilitiesCurrent	206.0us-gaap_OtherLiabilitiesCurrent
UTC [Member]
Schedule Of Other Liabilities [Line Items]
Payable to UTC primarily for Transition Service Agreements	$ 11.9	$ 20.4

Miscellaneous Other Liabilities Current

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Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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-Publisher FASB

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Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Aggregate carrying amount of current liabilities (due within one year or within the normal operating cycle if longer) not separately disclosed in the balance sheet. Includes costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered and of liabilities not separately disclosed.

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Cumulative provision for contract losses not offset against related costs accumulated on the balance sheet.

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-Topic 605

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Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes.

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