Financial Instruments (Additional Information) (Detail) (USD $) In Millions, unless otherwise specified	0 Months Ended	3 Months Ended	9 Months Ended												0 Months Ended
	Sep. 27, 2013	May 03, 2013	Nov. 01, 2013	Oct. 31, 2012	Jun. 30, 2013	Nov. 01, 2013 Construction Note	Nov. 01, 2013 Cash Grant Note	Nov. 01, 2013 Revolving Credit Facility	Jan. 31, 2013 Revolving Credit Facility	Nov. 01, 2013 Carlyle Group Notes Payable	Nov. 01, 2013 Carlyle Group Construction Note note	Oct. 31, 2013 Carlyle Group Construction Note	Nov. 01, 2013 Carlyle Group Cash Grant Note	Oct. 31, 2013 Carlyle Group Cash Grant Note	Dec. 06, 2013 Subsequent Event Carlyle Group Notes Payable	Dec. 06, 2013 Notes Payable Subsequent Event Carlyle Group
Financial Instruments [Line Items]
Unsecured borrowing capacity			$ 750		$ 500
Extended maturity period of revolving credit facility (in years)		1 year
Extended maturity date of revolving credit facility		Mar. 01, 2017
Borrowings outstanding under the revolving credit facility	500							0	0
Revolving credit facility financial covenants description		For a period of four trailing fiscal quarters, the Company maintains a ratio of consolidated funded debt, including borrowings under this facility, to EBITDA adjusted for other items as defined in the credit facility of not more than 3.25 to 1.0 and a ratio of EBITDA adjusted for other items as defined in the credit facility to interest expense of greater than 3.5 to 1.0.
Ratio of consolidated funded debt to EBITDA, numerator, maximum			3.25
Ratio of consolidated funded debt to EBITDA, denominator, maximum			1.0
Minimum ratio of EBITDA to interest expense, numerator			3.5
Minimum ratio of EBITDA to interest expense, denominator			1.0
Number of debt instruments											2
Secured notes, face amount										149	81		68
Stated interest rate						17.50%	17.50%					17.50%		17.50%
Stated interest rate, paid in cash												8.00%		6.00%
Discount on early termination fees															6
Face value of debt															149
Interest paid on debt															10
Early termination fees															6
Agreement to repay debt to Carlyle Group	$ 500		$ (500)	$ 0												$ 165