Discontinued Operations - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended			0 Months Ended	12 Months Ended				2 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Nov. 13, 2012 Shape Cutting Businesses [Member]	Dec. 31, 2012 Shape Cutting Businesses [Member]	Dec. 31, 2011 Shape Cutting Businesses [Member]	Dec. 31, 2011 Exelis [Member]	Dec. 31, 2011 Xylem [Member]	Dec. 31, 2011 Xylem and Exelis [Member]	Dec. 31, 2013 Xylem and Exelis [Member]	Dec. 31, 2012 Xylem and Exelis [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Earnings from discontinued operations, net of tax	$ 0.8	$ 15.9	$ 447.0		$ 9.6	$ (1.4)	$ 279.4	$ 251.2
Loss due to settlement of a Legacy discontinued operations business	1.3
Proceeds from sale of segment				38.4
Proceeds from contribution from subsidiaries	0	0	1,671.0				683.0	988.0
Percentage share of contingent liabilities			21.00%				39.00%	40.00%
Net Tax Related Liability Due to Exelis and Xylem in the Aggregate	0	0.8
Distribution of Exelis and Xylem - Retained Earnings, TAX FILING ADJUSTMENT		7.0
Maximum Percentage of Escalation Over Cost	10.00%
Minimum Period for Providing Transition Period	3 months
Maximum period for providing transition period	24 months
Earnings from discontinued operations before income taxes					0.6	(2.5)	473.0	321.5		6.7	10.7
Billings under transition service agreement, total									22.0
Amount receivable associated with transactions related to transition services agreements										0.8	1.3
Amount payable associated with transactions related to the transition services agreements										$ 0.1	$ 0.1