Raw Material Purchases from Major Suppliers (Detail) (Supplier Concentration Risk, USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Concentration Risk [Line Items]
Raw Material Purchases by Supplier	$ 829,000	$ 2,419
% of Total Raw Material Purchases	14.00%	10.00%
Supplier 1
Concentration Risk [Line Items]
Raw Material Purchases by Supplier		2,419
% of Total Raw Material Purchases		10.00%
Supplier 2
Concentration Risk [Line Items]
Raw Material Purchases by Supplier	$ 829,000
% of Total Raw Material Purchases	14.00%