Goodwill - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Dec. 31, 2014	Dec. 31, 2014
Goodwill And Intangible Assets Disclosure [Abstract]
Goodwill impairment charge	$ 283,699	$ 283,699	[1]

[1] The total carrying amount of goodwill at March 31, 2014 is net of accumulated impairment charges $30.9 million and $56.3 million related to the Middle East/North Africa and Asia/Pacific segments, respectively