Leases and Commitments Narrative (Details) $ in Millions	3 Months Ended
	Jun. 29, 2019 USD ($)
Other Commitments [Line Items]
Other commitments	$ 197.4
Electronic Design Automation Software And Hardware/Software Maintenance [Member]
Other Commitments [Line Items]
Other commitments	2.9
Property Renovation [Member]
Other Commitments [Line Items]
Other commitments	15.4
Open purchase Orders From Ordinary Operations [Member]
Other Commitments [Line Items]
Other commitments	$ 36.1
Maximum [Member]
Other Commitments [Line Items]
Purchase Commitments, Period for Payment	6 months
Minimum [Member]
Other Commitments [Line Items]
Purchase Commitments, Period for Payment	3 months