Debt - Additional Information (Detail) (USD $)	12 Months Ended				0 Months Ended	10 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012 Office	Dec. 31, 2011	Oct. 24, 2011 Revolving Credit Facility Due August 2013 [Member]	Oct. 26, 2011 ITT 2011 Revolving Credit Agreement [Member]	Oct. 24, 2011 ITT 2011 Revolving Credit Agreement [Member]	Dec. 31, 2011 Interest Rate Swap [Member]	Dec. 31, 2013 Interest Rate Swap [Member] swap	Dec. 31, 2012 Interest Rate Swap [Member]	Dec. 31, 2013 Commercial Paper [Member]
Debt Instrument [Line Items]
Weighted average interest rate										0.44%
Long term debt interest rate, minimum	4.20%
Long term debt interest rate, maximum	5.40%
Assets pledged as collateral	$ 10,300,000
Number of interest rate swaps outstanding								4
Derivative, Notional Amount								11,900,000	7,900,000
Fair value of interest rate swaps								600,000
Previously outstanding credit facility				1,500,000,000
Maturity period of revolving credit facility					4 years	3 years
Extension period of revolving credit facility					1 year
Revolving credit facility					500,000,000
Maximum face amount outstanding on letters of credit					100,000,000
Minimum amount of reduce commitments					10,000,000
Maximum potential increase in credit facility					200,000,000
Maximum potential credit facility outstanding					700,000,000
Minimum voluntary prepayment Permissible under facility					50,000,000
Interest rate over federal funds effective rate					0.05%
Period of LIBOR Rate					1 month
Interest rate over statutory reserve requirement					1.00%
Revolving credit facility, amount outstanding	0
Maximum Leverage Ratio Under Credit Facility					3.00
Minimum leverage ratio under credit facility					1.00
Maximum interest coverage ratio under credit facility					3.00
Minimum interest coverage ratio under credit facility					1.00
Extinguishment of debt			1,251,000,000
Loss on debt extinguishment			324,900,000
Gains recognized on previously deferred gain on terminated interest rate swap							42,900,000
Expense recognized from previously deferred debt issuance costs and unamortized debt discounts			6,100,000
Termination of capital lease			$ 4,600,000
Number of manufacturing and office facilities included in leased property		5