Related Parties - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		1 Months Ended	3 Months Ended
	May 03, 2014	Apr. 30, 2006	Apr. 30, 2006 Quarterly Payment	May 04, 2013 Quarterly Payment	May 03, 2014 Reimbursement for out-of-pocket fees and expenses	May 04, 2013 Prepaid and Other Current Assets
Related Party Transaction [Line Items]
Advisory agreement, periodic fee payment			$ 1.0
Advisory agreement, fee as a percentage of financing, acquisition, disposition or change of control		1.00%
Fees paid				1.1	0.1
Advisory agreement initial term	10 years
Advisory agreement term extension	1 year
Advisory agreement termination date	Oct. 02, 2013
Prepaid advisory fees						$ 0.7