BUSINESS AND ASSET ACQUISITIONS & DIVESTITURES (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2016 USD ($) acquisition business	Dec. 31, 2015 USD ($)
Business Acquisition [Line Items]
Number of acquisitions completed | business			3
Acquisition of businesses, net of cash acquired			$ 180,259	$ 903,845
Net income	$ 129,469	$ 148,910	$ 232,690	382,737
Pro forma net income		111,400		322,000
Maximum time to complete final allocation of purchase price			12 months
Number of non-strategic business | business			2
Proceeds from divestiture of business			$ 33,000
Bose
Business Acquisition [Line Items]
Number of acquisitions completed | business			2
Acquisition of businesses, net of cash acquired			$ 161,900
Cash acquired from acquisitions			17,800
Inventory	69,800		69,800
Property and equipment	66,000		66,000
Accrual recorded for acquisition			$ 28,000
Series of Individually Immaterial Business Acquisitions
Business Acquisition [Line Items]
Number of acquisitions completed | acquisition			3
Acquisition of businesses, net of cash acquired			$ 179,700
Goodwill	57,500		57,500
Intangible assets	44,900		44,900
Assumed liabilities	$ 60,800		$ 60,800
Net income		$ 29,500		$ 34,400
Customer-related intangibles | Bose
Business Acquisition [Line Items]
Weighted average useful life			7 years 4 months 24 days