Balance Sheet Accounts and Supplemental Disclosures, (As Restated for fiscal 2014 and 2013) (Tables)

12 Months Ended

Nov. 30, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Accounts Receivable

	As of November 30,
	2015		2014
	(In millions)
Billed	$	90.4	$	68.1
Unbilled, net	80.6		102.0
Total receivables under long-term contracts	171.0		170.1
Other receivables	0.5		0.4
Accounts receivable	$	171.5	$	170.5

Schedule of Inventories

	As of November 30,
	2015			2014
	(In millions)
Long-term contracts at average cost	$	505.8		$	493.6
Progress payments	(349.6		)	(356.9		)
Total long-term contract inventories	156.2			136.7
Total other inventories	1.3			1.3
Inventories	$	157.5		$	138.0

Schedule of Other Current Assets, net

	As of November 30,
	2015		2014
	(In millions)
Recoverable from the U.S. government for Rocketdyne Business integration costs (see Note 4(g))	$	11.9	$	10.5
Prepaid expenses	10.7		11.3
Receivables, net	7.2		5.6
Indemnification receivable from UTC, net	15.7		0.9
Recoverable from the U.S. government for Competitive Improvement Program severance obligations (see Note 12)	9.5		—
Other	6.5		10.3
Other current assets, net	$	61.5	$	38.6

Schedule of Property, Plant and Equipment, net

	As of November 30,
	2015			2014
	(In millions)
Land	$	71.3		$	67.2
Buildings and improvements	287.6			279.9
Machinery and equipment	509.8			476.0
Construction-in-progress	34.9			35.5
	903.6			858.6
Less: accumulated depreciation	(537.8		)	(492.1		)
Property, plant and equipment, net	$	365.8		$	366.5

Schedule of Changes in the Carrying Amount of Goodwill

The changes in the carrying amount of goodwill since November 30, 2013 were as follows (in millions):

November 30, 2013	$	152.5
Purchase accounting adjustments in fiscal 2014 related to the Rocketdyne Business acquisition (see Note 5)	5.6
November 30, 2015 and 2014	$	158.1

Schedule of Intangible Assets

	As of November 30, 2015
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(In millions)
Customer related	$	83.8	$	27.6	$	56.2
Intellectual property\trade secrets	34.2		6.4		27.8
Non-compete agreements	0.5		0.4		0.1
Trade name	20.5		1.6		18.9
Acquired technology	18.3		12.5		5.8
Intangible assets	$	157.3	$	48.5	$	108.8

	As of November 30, 2014
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(In millions)
Customer related	$	83.8	$	18.5	$	65.3
Intellectual property\trade secrets	34.2		3.7		30.5
Non-compete agreements	0.5		0.2		0.3
Trade name	20.5		1.0		19.5
Acquired technology	18.3		11.7		6.6
Intangible assets	$	157.3	$	35.1	$	122.2

Schedule of Future Amortization Expense for Intangible Assets

Future amortization expense for the five succeeding years is estimated to be as follows:

Year Ending November 30,	Future Amortization Expense
	(In millions)
2016	$	13.3
2017	13.1
2018	13.1
2019	13.0
2020	12.8
	$	65.3

Schedule of Other Noncurrent Assets, net

	As of November 30,
	2015		2014
	(In millions)
Recoverable from the U.S. government for Rocketdyne Business integration costs	$	22.4	$	27.6
Deferred financing costs	13.9		18.5
Recoverable from the U.S. government for conditional asset retirement obligations	17.5		17.7
Grantor trust	10.7		11.2
Note receivable, net	9.0		—
Recoverable from the U.S. government for Competitive Improvement Program severance obligations (see Note 12)	2.8		—
Indemnification receivable from UTC, net	—		6.7
Other	9.4		11.3
Other noncurrent assets, net	$	85.7	$	93.0

Summary of Impact from Land Sale

A summary of the impact of the land sale on the consolidated statement of operations for fiscal 2015 is as follows (in millions):

Net sales from land sale	$	42.0
Cost of sales from land sale	11.4
Income from continuing operations before income taxes from land sale	30.6
Income tax provision related to land sale	12.7
Net income from land sale	$	17.9

Schedule of Other Current Liabilities

	As of November 30,
	2015		2014
	(In millions)
Accrued compensation and employee benefits	$	101.3	$	94.9
Income taxes	15.5		16.2
Payable to UTC primarily for Transition Service Agreements	1.9		11.9
Interest payable	11.7		14.6
Contract loss provisions	9.3		12.0
Other	61.6		71.8
Other current liabilities	$	201.3	$	221.4

Schedule of Other Noncurrent Liabilities

	As of November 30,
	2015		2014
	(In millions)
Conditional asset retirement obligations	$	29.3	$	24.4
Pension benefits, non-qualified	17.9		19.1
Deferred compensation	11.9		11.1
Deferred revenue	13.9		7.4
Other	21.4		18.6
Other noncurrent liabilities	$	94.4	$	80.6

Schedule of Accumulated Other Comprehensive Loss, Net of Income Taxes

Changes in accumulated other comprehensive loss by components, net of income taxes, related to the Company’s retirement benefit plans are as follows:

	Actuarial Losses, Net			Prior Service Credits, Net			Total
	(In millions)
November 30, 2013	$	(232.1	)	$	3.8		$	(228.3	)
Actuarial losses arising during the period, net of income taxes	(136.0		)	—			(136.0		)
Amortization of actuarial losses and prior service credits, net of income taxes	31.1			(0.5		)	30.6
November 30, 2014	(337.0		)	3.3			(333.7		)
Actuarial losses and prior service costs arising during the period, net of income taxes	(55.0		)	(1.6		)	(56.6		)
Amortization of actuarial losses and prior service credits, net of income taxes	49.4			(0.8		)	48.6
November 30, 2015	$	(342.6	)	$	0.9		$	(341.7	)

Schedule of Estimated Amounts to be Amortized from Other Comprehensive Loss to Net Periodic Benefit Expense

The estimated amounts that will be amortized from accumulated other comprehensive loss into net periodic benefit expense in fiscal 2016 are as follows:

	Pension Benefits		Medical and Life Insurance Benefits
	(In millions)
Actuarial losses (gains), net	$	64.7	$	(3.6	)
Prior service costs (credits), net	0.1		(1.1		)
	$	64.8	$	(4.7	)