Business and Operations - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	1 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2013 Segment	Jul. 16, 2013	Dec. 31, 2012	Sep. 30, 2013 Industrial Supply Location	Sep. 26, 2013 Maximum
Organization And Business Activities [Line Items]
Company registered securities						$ 300
Number of operating segments		2
Common stock, shares authorized	66,500,000	66,500,000	665,000,000	66,500,000
Reverse stock split ratio	0.1
Preferred stock, shares authorized	10,000,000	10,000,000		10,000,000
Number of warehouse operating locations					8