COMMITMENTS AND CONTINGENCIES (Details) - USD ($)	1 Months Ended			6 Months Ended	12 Months Ended
	Feb. 28, 2017	Jul. 31, 2016	Apr. 30, 2013	Sep. 30, 2017	Apr. 01, 2017
Product Recall
Loss Contingencies [Line Items]
Damages claimed					$ 14,200,000
Loss in period					7,100,000
Product Recall | Minimum
Loss Contingencies [Line Items]
Estimate of possible loss					3,400,000
Product Recall | Maximum
Loss Contingencies [Line Items]
Estimate of possible loss					14,200,000
Product Recall | Customer Returns and Inventory Reserves [Member]
Loss Contingencies [Line Items]
Loss in period					3,700,000
Product Recall | Customer Claims [Member]
Loss Contingencies [Line Items]
Loss in period					$ 3,400,000
Insurance settlements receivable				$ 2,900,000
Contract Termination [Member]
Loss Contingencies [Line Items]
Damages claimed	$ 4,600,000
Estimate of possible loss				2,800,000
Performance Guarantee [Member]
Loss Contingencies [Line Items]
Damages claimed	2,800,000
Up-front Payment Arrangement [Member]
Loss Contingencies [Line Items]
Damages claimed	$ 1,800,000
Italian Employment Litigation [Member]
Loss Contingencies [Line Items]
Damages claimed				4,800,000
Estimate of possible loss				800,000
Loss in period				400,000
Amount accrued				800,000
SOLX Arbitration [Member]
Loss Contingencies [Line Items]
Damages claimed		$ 17,000,000
Amount accrued				$ 400,000.0
Payments under previous acquisition			$ 24,000,000
Contingent milestone payment			3,000,000
Maximum future royalty payments			$ 14,000,000
Royalty Term			10 years