Segment, Geographic Location and Customer Information - Net Sales of 10% or More of Total Revenues Derived from Customers (Parenthetical) (Detail) (Net Sales)	3 Months Ended				9 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2014		Dec. 31, 2013
Customer B
Entity Wide Revenue Major Customer [Line Items]
Percentage of net sales made to customers		[1]		[1]	16.00%			[1]
Customer E
Entity Wide Revenue Major Customer [Line Items]
Percentage of net sales made to customers	11.00%			[1]		[1]		[1]
Maximum | Customer B
Entity Wide Revenue Major Customer [Line Items]
Percentage of net sales made to customers	10.00%		10.00%				10.00%
Maximum | Customer E
Entity Wide Revenue Major Customer [Line Items]
Percentage of net sales made to customers			10.00%		10.00%		10.00%

[1] Represents less than 10% of net sales.