Consolidated Statements of Comprehensive Income (Loss) (Unaudited) Parenthetical - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2018
Jul. 01, 2017
Pension    
Actuarial gain (loss), taxes $ 20 $ 54
Amounts reclassified into results of operations, taxes 15 12
Derivative instruments    
Net change in fair value of cash flow hedges, taxes (247) (426)
Amounts reclassified into results of operations, taxes $ 3 $ 247