v3.5.0.2
Retirement Plans (Net Periodic Benefit Cost) (Details) - USD ($)
$ in Thousands
3 Months Ended
Jul. 03, 2016
Jun. 28, 2015
United States Pension Plans of US Entity, Defined Benefit    
Defined Benefit Plan Disclosure [Line Items]    
Service cost $ 91 $ 138
Interest cost 170 168
Expected return on plan assets (204) (215)
Amortization and deferral 132 134
Net periodic benefit cost 189 225
Foreign Pension Plans, Defined Benefit    
Defined Benefit Plan Disclosure [Line Items]    
Service cost 223 208
Interest cost 494 485
Expected return on plan assets (510) (576)
Amortization and deferral 265 317
Net periodic benefit cost $ 472 $ 434