Merger - Additional Information (Detail) (USD $)	6 Months Ended
	Aug. 30, 2013	Aug. 30, 2013 Parent Company [Member]	Oct. 01, 2013 Subsequent Event [Member]	Aug. 30, 2013 Preferred Stock [Member] Parent Company [Member]
Merger Agreement [Line Items]
Offer price to convert common shares held by the shareholders (except family shareholders) of the Corporation	$ 19.00
Consideration received by family shareholders	$ 0
Stock issued in connection with merger				245,000,000
Cash required to pay the dividend				29,000,000
Cash dividend rate variable		LIBOR plus 11.5%
Cash dividend rate		11.50%
Expenses related to stock issuance and transaction on behalf of Parent			$ 14,000,000