BUSINESS AND ASSET ACQUISITIONS & DIVESTITURES - Purchase Price Allocation (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Mar. 31, 2016	Sep. 30, 2015	Jun. 30, 2015
Current assets:
Goodwill	$ 984,867	$ 942,066
Mirror Controls International
Current assets:
Accounts receivable				$ 41,559
Inventories				19,897
Other current assets				2,856
Total current assets				64,312
Property and equipment, net				38,832
Other assets				2,463
Intangibles				236,800
Goodwill				323,357
Total assets				665,764
Current liabilities:
Accounts payable				28,002
Accrued liabilities & other current liabilities				21,113
Total current liabilities				49,115
Other liabilities				61,492
Total aggregate purchase price				$ 555,157
Nextracker
Current assets:
Accounts receivable			$ 60,298
Inventories			3,235
Other current assets			19,272
Total current assets			82,805
Property and equipment, net			1,382
Other assets			70
Intangibles			108,700
Goodwill			255,601
Total assets			448,558
Current liabilities:
Accounts payable			17,226
Accrued liabilities & other current liabilities			63,870
Total current liabilities			81,096
Other liabilities			45,712
Total aggregate purchase price			$ 321,750