Segment and Enterprise Wide Disclosures - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended								3 Months Ended		6 Months Ended
	Sep. 30, 2014 Segment	Jul. 01, 2014	Mar. 31, 2014	Sep. 30, 2014 United States	Mar. 31, 2014 United States	Sep. 30, 2014 Europe	Jun. 30, 2014 Europe	Mar. 31, 2014 Europe	Sep. 30, 2014 International	Sep. 30, 2013 International	Sep. 30, 2014 International	Sep. 30, 2013 International
Segment Reporting Information [Line Items]
Number of business segments	1
Percentage of total consolidated assets				66.00%	74.00%
Goodwill	$ 36,867	$ 1,964	$ 37,990				$ 54,100	$ 35,400
Percentage of total consolidated assets, excluding goodwill						9.00%		9.00%
Percentage of total product revenue									11.00%	7.00%	11.00%	8.00%