FAIR VALUE MEASUREMENT OF ASSETS AND LIABILITIES - Other Financial Instruments (Details)		12 Months Ended
	Oct. 01, 2015 EUR (€)	Mar. 31, 2016 USD ($)	Mar. 31, 2016 EUR (€)	Mar. 31, 2015 USD ($)	Feb. 20, 2013 USD ($)
4.625% Notes due February 2020
Other financial instruments
Debt instrument interest rate (as a percent)		4.625%	4.625%		4.625%
Debt instrument					$ 500,000,000.0
4.750% Notes due June 2025
Other financial instruments
Debt instrument interest rate (as a percent)		4.75%	4.75%
Level 1 | 4.625% Notes due February 2020
Other financial instruments
Debt instrument interest rate (as a percent)		4.625%	4.625%	4.625%
Carrying Amount
Other financial instruments
Fair Value		$ 2,720,589,000		$ 2,067,500,000
Carrying Amount | Level 1 | Term Loan, including current portion, due in installments through August 2018
Other financial instruments
Fair Value		577,500,000		592,500,000
Carrying Amount | Level 1 | Term Loan, including current portion, due in installments through March 2019
Other financial instruments
Fair Value		547,500,000		475,000,000
Carrying Amount | Level 1 | 4.625% Notes due February 2020
Other financial instruments
Fair Value		500,000,000		500,000,000
Carrying Amount | Level 1 | 5.000% Notes due February 2023
Other financial instruments
Fair Value		500,000,000		500,000,000
Carrying Amount | Level 1 | 4.750% Notes due June 2025
Other financial instruments
Fair Value		595,589,000		0
Total
Other financial instruments
Fair Value		2,753,403,000		2,114,531,000
Total | Level 1 | Term Loan, including current portion, due in installments through August 2018
Other financial instruments
Fair Value		573,533,000		582,131,000
Total | Level 1 | Term Loan, including current portion, due in installments through March 2019
Other financial instruments
Fair Value		542,709,000		465,500,000
Total | Level 1 | 4.625% Notes due February 2020
Other financial instruments
Fair Value		524,735,000		523,750,000
Total | Level 1 | 5.000% Notes due February 2023
Other financial instruments
Fair Value		507,500,000		543,150,000
Total | Level 1 | 4.750% Notes due June 2025
Other financial instruments
Fair Value		604,926,000		$ 0
Mirror Controls International
Other financial instruments
Debt instrument	€ 50,000,000	$ 56,600,000	€ 56,600,000.0
Debt Instrument, Term	5 years	5 years