Restructuring (Narrative) (Details) - Employee severance	3 Months Ended	12 Months Ended
	Jul. 03, 2016 USD ($) employee	Apr. 03, 2016 USD ($) employee
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 11,880,000
Payments for restructuring actions	1,784,000
Accrued balance for employee severance costs	12,912,000	$ 2,816,000
Automotive and Industrial Division (AID) Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 5,300,000
Number of reduced headcount (employees) | employee	49
Payments for restructuring actions	$ 0
ZMDI
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 6,900,000
Number of reduced headcount (employees) | employee		36
Payments for restructuring actions	400,000
Radio Frequency (RF) Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 5,200,000
Number of reduced headcount (employees) | employee	13
Other Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 1,200,000
Number of reduced headcount (employees) | employee	9
Accrued balance for employee severance costs	$ 1,000,000
Former executives | ZMDI
Restructuring Cost and Reserve [Line Items]
Number of reduced headcount (employees) | employee		2