Earnings per Share (Details) - shares	3 Months Ended		6 Months Ended
	Sep. 30, 2018	Oct. 01, 2017	Sep. 30, 2018	Oct. 01, 2017
Summary of basic and diluted EPS
Weighted-average common shares outstanding—basic	10,675,833	10,605,629	10,662,210	10,594,309
Dilutive impact of performance units and restricted stock	43,226	44,956	52,171	47,422
Weighted-average common shares outstanding—diluted	10,719,059	10,650,585	10,714,381	10,641,731