Nonrecourse Debt - Additional Information (Detail)

v2.4.0.6

Nonrecourse Debt - Additional Information (Detail) (Predecessor [Member], Subsequent Event [Member], USD $) In Millions, unless otherwise specified	1 Months Ended
	Apr. 30, 2013
Predecessor [Member] | Subsequent Event [Member]
Long Term Debt Maturity [Line Items]
Repayment of nonrecourse debt	$ 18.5