Revenue Recognition - Summary of Corporate Net Sales (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 26, 2020	Dec. 28, 2019	Dec. 26, 2020	Dec. 28, 2019
Disaggregation of Revenue [Line Items]
Consolidated Net Sales	$ 377,581	$ 342,239	$ 973,232	$ 1,068,585
Manufacturing and Retail [Member]
Disaggregation of Revenue [Line Items]
Consolidated Net Sales	358,551	327,377	923,132	1,017,388
Commercial [Member]
Disaggregation of Revenue [Line Items]
Consolidated Net Sales	4,158	250	11,549	4,781
Transportation [Member]
Disaggregation of Revenue [Line Items]
Consolidated Net Sales	14,872	14,612	38,551	46,416
U.S Factory-built Housing [Member]
Disaggregation of Revenue [Line Items]
Consolidated Net Sales	336,358	304,818	868,577	949,253
U.S Factory-built Housing [Member] | Manufacturing and Retail [Member]
Disaggregation of Revenue [Line Items]
Consolidated Net Sales	332,200	304,568	857,028	944,472
U.S Factory-built Housing [Member] | Commercial [Member]
Disaggregation of Revenue [Line Items]
Consolidated Net Sales	4,158	250	11,549	4,781
Canadian Factory-built Housing [Member]
Disaggregation of Revenue [Line Items]
Consolidated Net Sales	26,351	22,809	66,104	72,916
Canadian Factory-built Housing [Member] | Manufacturing and Retail [Member]
Disaggregation of Revenue [Line Items]
Consolidated Net Sales	26,351	22,809	66,104	72,916
Corporate Other [Member]
Disaggregation of Revenue [Line Items]
Consolidated Net Sales	14,872	14,612	38,551	46,416
Corporate Other [Member] | Transportation [Member]
Disaggregation of Revenue [Line Items]
Consolidated Net Sales	$ 14,872	$ 14,612	$ 38,551	$ 46,416