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Acquisition - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended		0 Months Ended	1 Months Ended	6 Months Ended
	May 31, 2014	Nov. 30, 2013	Jun. 14, 2013 Rocketdyne Business [Member]	Jul. 31, 2012 Rocketdyne Business [Member]	May 31, 2014 Rocketdyne Business [Member]	May 31, 2014 UTC [Member]	Nov. 30, 2013 UTC [Member]
Business Acquisition [Line Items]
Acquisition, purchase price				$ 550
Acquisition completion date	Jun. 14, 2013
Aggregate consideration paid in cash			411
Decrease in initial purchase price			55.0		55.0
Expected future acquisition of ownership interest percentage			50.00%		50.00%
Purchase price allocation of goodwill	164.4	159.6	69.5
Indemnification receivable from UTC, total						10.8
Indemnification payable to UTC						$ 11.4	$ 20.4