Pension Plan (Details) $ in Thousands	9 Months Ended
	Dec. 24, 2016 USD ($)
Employee Benefit Plans [Abstract]
Number of pension plan participants offered ETV	49
Number of pension plan participants accepting ETV	9
Pension ETV contribution, current	$ 500
Defined Benefit Plan, Other Changes	400
Defined Benefit Plan, Funded Status of Plan	$ 1,100