Business Acquisitions (Summary of Preliminary Allocation of Purchase Consideration) (Parenthetical) (Detail) (USD $)	3 Months Ended
	Dec. 31, 2013	May 31, 2013 TGT [Member]
Business Acquisition [Line Items]
Business Acquisition, Cost of Acquired Entity, Purchase Price, Total		$ 83,300,000
Purchase accounting adjustment	$ 542,000