Represents the amount of cash on hand to repay outstanding borrowing.

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The percentage of principal amount of the then outstanding Notes due and payable in other event of default.

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Debt instrument redemption price as percentage of principal amount.

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Increased amount of the required periodic payment applied to principal.

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Line of Credit Facility, Increase (Decrease) to Maximum Borrowing Capacity

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The percentage of the principal amount of Notes that may be redeemed upon occurrence of a change of control repurchase event.

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Uncommitted revolving credit facilities lines of credit and other loans.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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Face (par) amount of debt instrument at time of issuance.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of the required periodic payments including both interest and principal payments.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Percentage of principal amount of debt redeemed.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees).

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No definition available.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of the required periodic payment applied to principal.

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Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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No definition available.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions.

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BANK BORROWINGS AND LONG-TERM DEBT - Narrative (Details)							12 Months Ended
	Dec. 30, 2016 USD ($)	Oct. 01, 2015 EUR (€)	Sep. 30, 2015 USD ($)	Jun. 08, 2015 USD ($)	Aug. 30, 2013 USD ($)	Feb. 20, 2013 USD ($)	Mar. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)	Mar. 31, 2014 USD ($)	Mar. 31, 2016 EUR (€)
Bank borrowings and long-term debt
Proceeds from the notes offering							$ 884,702,000	$ 319,542,000	$ 1,066,653,000
Percentage of ownership interest owned in subsidiaries that guarantees indebtedness or is a borrower under the term loan agreement and revolving line of credit							100.00%
Long-term Debt							$ 2,791,906,000
Credit Facility
Bank borrowings and long-term debt
Revolving credit facility								2,000,000,000.0
Credit Facility \| LIBOR
Bank borrowings and long-term debt
Debt instrument, basis spread on variable rate							LIBOR
Credit Facility \| LIBOR \| Minimum
Bank borrowings and long-term debt
Debt instrument, basis spread on variable rate (as a percent)			1.125%
Credit Facility \| LIBOR \| Maximum
Bank borrowings and long-term debt
Debt instrument, basis spread on variable rate (as a percent)			2.125%
Credit Facility \| Prime rate
Bank borrowings and long-term debt
Debt instrument, basis spread on variable rate							prime rate
Credit Facility \| Federal funds rate
Bank borrowings and long-term debt
Debt instrument, basis spread on variable rate							federal funds rate
Debt instrument, basis spread on variable rate (as a percent)			0.50%
Credit Facility \| LIBOR for a one-month interest period
Bank borrowings and long-term debt
Debt instrument, basis spread on variable rate							LIBOR for a one-month interest period
Debt instrument, basis spread on variable rate (as a percent)			1.00%
Credit Facility \| Prime rate, federal funds rate plus 0.50% and LIBOR for a one-month interest period plus 1.00%
Bank borrowings and long-term debt
Debt instrument, basis spread on variable rate							base rate
Credit Facility \| Prime rate, federal funds rate plus 0.50% and LIBOR for a one-month interest period plus 1.00% \| Minimum
Bank borrowings and long-term debt
Debt instrument, basis spread on variable rate (as a percent)			0.125%
Credit Facility \| Prime rate, federal funds rate plus 0.50% and LIBOR for a one-month interest period plus 1.00% \| Maximum
Bank borrowings and long-term debt
Debt instrument, basis spread on variable rate (as a percent)			1.125%
Outstanding under revolving line of credit
Bank borrowings and long-term debt
Revolving credit facility			$ 1,500,000,000.0				$ 1,500,000,000.0
Outstanding under revolving line of credit \| Minimum
Bank borrowings and long-term debt
Percentage of quarterly commitment fee, per annum			0.15%
Outstanding under revolving line of credit \| Maximum
Bank borrowings and long-term debt
Percentage of quarterly commitment fee, per annum			0.40%
Other Credit Lines
Bank borrowings and long-term debt
Borrowings outstanding							0	0
Uncommitted revolving credit facilities, lines of credit and other loans							166,000,000
Term Loan Due March 2019
Bank borrowings and long-term debt
Revolving credit facility								500,000,000.0
Increase maximum borrowing capacity			$ 100,000,000.0
Repay outstanding borrowings					$ 55,200,000
Quarterly repayments of principal commencing on June 30, 2014 up to March 31, 2016							7,500,000.0
Increased quarterly repayments of principal after March 31, 2016 to maturity							11,300,000.0
Long term loans payable							600,000,000.0
Term Loan, including current portion, due in installments through August 2018
Bank borrowings and long-term debt
Long term loans payable					600,000,000
Principal payments due quarterly					$ 3,750,000
Long-term Debt							$ 577,500,000	592,500,000
Term Loan, including current portion, due in installments through August 2018 \| LIBOR
Bank borrowings and long-term debt
Debt instrument, basis spread on variable rate							LIBOR
Term Loan, including current portion, due in installments through August 2018 \| LIBOR \| Minimum
Bank borrowings and long-term debt
Debt instrument, basis spread on variable rate (as a percent)					1.00%
Term Loan, including current portion, due in installments through August 2018 \| LIBOR \| Maximum
Bank borrowings and long-term debt
Debt instrument, basis spread on variable rate (as a percent)					2.00%
Term Loan, including current portion, due in installments through August 2018 \| Prime rate
Bank borrowings and long-term debt
Debt instrument, basis spread on variable rate							prime rate
Term Loan, including current portion, due in installments through August 2018 \| Federal funds rate
Bank borrowings and long-term debt
Debt instrument, basis spread on variable rate							federal funds rate
Debt instrument, basis spread on variable rate (as a percent)					0.50%
Term Loan, including current portion, due in installments through August 2018 \| LIBOR for a one-month interest period
Bank borrowings and long-term debt
Debt instrument, basis spread on variable rate							LIBOR for a one-month interest period
Debt instrument, basis spread on variable rate (as a percent)					1.00%
Term Loan, including current portion, due in installments through August 2018 \| Prime rate, federal funds rate plus 0.50% and LIBOR for a one-month interest period plus 1.00%
Bank borrowings and long-term debt
Debt instrument, basis spread on variable rate							base rate
Term Loan, including current portion, due in installments through August 2018 \| Prime rate, federal funds rate plus 0.50% and LIBOR for a one-month interest period plus 1.00% \| Minimum
Bank borrowings and long-term debt
Debt instrument, basis spread on variable rate (as a percent)					0.00%
Term Loan, including current portion, due in installments through August 2018 \| Prime rate, federal funds rate plus 0.50% and LIBOR for a one-month interest period plus 1.00% \| Maximum
Bank borrowings and long-term debt
Debt instrument, basis spread on variable rate (as a percent)					1.00%
4.625% Notes due February 2020
Bank borrowings and long-term debt
Long term loans payable							$ 500,000,000
Debt instrument						$ 500,000,000.0
Debt instrument interest rate (as a percent)						4.625%	4.625%			4.625%
Long-term Debt							$ 500,000,000	500,000,000
5.000% Notes due February 2023
Bank borrowings and long-term debt
Long term loans payable							$ 500,000,000
Debt instrument						$ 500,000,000.0
Debt instrument interest rate (as a percent)						5.00%	5.00%			5.00%
Long-term Debt							$ 500,000,000	$ 500,000,000
Notes due 2020 and 2023
Bank borrowings and long-term debt
Proceeds from the notes offering						$ 990,600,000
Cash on hand used to repay debt						9,400,000
Redemption price as a percentage of principal amount							100.00%
Notes due 2020 and 2023 \| Minimum
Bank borrowings and long-term debt
Percentage of principal amount of the then outstanding Notes due and payable							25.00%
Previous Term Loan Facility
Bank borrowings and long-term debt
Repay outstanding borrowings					$ 544,800,000
Term Loan Agreement
Bank borrowings and long-term debt
Repay outstanding borrowings						$ 1,000,000,000
Percentage of Notes principal that may be redeemed upon occurrence of a change of control repurchase event							101.00%
Term Loan Agreement Including Current Portion Due In Installments Through June 2025
Bank borrowings and long-term debt
Debt instrument				$ 600,000,000
Debt instrument interest rate (as a percent)				4.75%
Percentage of ownership interest owned in subsidiaries that guarantees indebtedness or is a borrower under the term loan agreement and revolving line of credit							100.00%
Redemption price as a percentage of principal amount							100.00%
Percentage Of Debt Redeemable Upon Occurrence Of Change Of Control Repurchase Event							101.00%
Debt Instrument, Redemption Price, Percentage				99.213%
Debt Instrument, Interest Rate, Effective Percentage				4.85%
Long-term Debt				$ 595,300,000
Debt issuance cost				$ 7,900,000
Term Loan Agreement Including Current Portion Due In Installments Through June 2025 \| Minimum
Bank borrowings and long-term debt
Percentage of principal amount of the then outstanding Notes due and payable							25.00%
Mirror Controls International
Bank borrowings and long-term debt
Debt instrument		€ 50,000,000					$ 56,600,000			€ 56,600,000.0
Debt Instrument, Term		5 years					5 years
Mirror Controls International \| Euribor Future [Member] \| Minimum
Bank borrowings and long-term debt
Debt instrument, basis spread on variable rate (as a percent)		0.80%
Mirror Controls International \| Euribor Future [Member] \| Maximum
Bank borrowings and long-term debt
Debt instrument, basis spread on variable rate (as a percent)		2.00%
Forecast \| Mirror Controls International
Bank borrowings and long-term debt
Principal payments due quarterly	$ 312,500