Note 6 Line of Credit Facility (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 29, 2018	Mar. 31, 2018
Amended Cash Flow Revolver [Member]
Line of Credit Facility [Line Items]
Maximum Borrowing Capacity		$ 500,000
Facility Expiration Date	Feb. 01, 2023
Additional Credit Line	$ 200,000
Delayed Draw Term Loan	375,000
Foreign Line of Credit
Line of Credit Facility [Line Items]
Maximum Borrowing Capacity	$ 69,000
Facility Expiration Date	Mar. 30, 2019
Amount Outstanding	$ 0
Amended Cash Flow Revolver [Member] | Revolving Credit Facility
Line of Credit Facility [Line Items]
Amount Outstanding	215,000
Letters of Credit Outstanding, Amount	$ 8,000