Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	May. 31, 2015	Nov. 30, 2014
Current Assets
Cash and cash equivalents	$ 253.5	$ 265.9
Accounts receivable	173.7	172.9
Inventories	150.3	139.0
Recoverable from the U.S. government and other third parties for environmental remediation costs	23.7	19.4
Other current assets, net	45.4	38.0
Deferred income taxes	24.8	25.3
Total Current Assets	677.4	666.5
Noncurrent Assets
Property, plant and equipment, net	356.3	367.5
Real estate held for entitlement and leasing	82.9	94.4
Recoverable from the U.S. government and other third parties for environmental remediation costs	76.8	81.2
Deferred income taxes	245.3	259.0
Goodwill	164.4	164.4
Intangible assets	115.5	122.2
Other noncurrent assets, net	109.8	91.6
Total Noncurrent Assets	1,220.7	1,255.1
Total Assets	1,898.1	1,921.6
Current Liabilities
Short-term borrowings and current portion of long-term debt	5.3	5.3
Accounts payable	87.6	103.5
Reserves for environmental remediation costs	38.7	31.9
Postretirement medical and life insurance benefits	6.4	6.4
Advance payments on contracts	197.3	198.5
Other current liabilities	198.5	221.7
Total Current Liabilities	533.8	567.3
Noncurrent Liabilities
Senior debt	91.3	93.8
Second-priority senior notes	460.0	460.0
Convertible subordinated notes	98.0	133.8
Other debt	63.3	89.3
Reserves for environmental remediation costs	122.8	134.1
Pension benefits	475.4	482.8
Postretirement medical and life insurance benefits	50.1	51.7
Other noncurrent liabilities	99.0	79.7
Total Noncurrent Liabilities	1,459.9	1,525.2
Total Liabilities	$ 1,993.7	$ 2,092.5
Commitments and contingencies (Note 7)
Redeemable common stock, par value of $0.10; less than 0.1 million shares issued and outstanding as of May 31, 2015; 0.1 million shares issued and outstanding as of November 30, 2014	$ 0.1	$ 1.6
Stockholders’ Deficit
Preference stock, par value of $1.00; 15.0 million shares authorized; none issued or outstanding	0.0	0.0
Common stock, par value of $0.10; 150.0 million shares authorized; 61.3 million shares issued and outstanding as of May 31, 2015; 56.9 million shares issued and outstanding as of November 30, 2014	6.3	5.9
Other capital	324.8	287.3
Treasury stock at cost, 3.5 million shares as of May 31, 2015 and November 30, 2014	(64.5)	(64.5)
Accumulated deficit	(52.5)	(67.0)
Accumulated other comprehensive loss, net of income taxes	(309.8)	(334.2)
Total Stockholders’ Deficit	(95.7)	(172.5)
Total Liabilities, Redeemable Common Stock and Stockholders’ Deficit	1,898.1	1,921.6
Northrop [Member]
Current Assets
Receivable from Northrop Grumman Corporation (“Northrop”)	6.0	6.0
Noncurrent Assets
Receivable from Northrop	$ 69.7	$ 74.8