Business Combination - Schedule of Purchase Price Allocation on Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 29, 2018	Jun. 01, 2018	Mar. 31, 2018
Business Acquisition [Line Items]
Deferred tax assets, net	$ 28,400
Goodwill	172,057		$ 3,179
Skyline [Member]
Business Acquisition [Line Items]
Cash	9,722
Trade accounts receivable	13,876
Inventory	19,028
Property, plant and equipment	44,642
Deferred tax assets, net	7,954
Other assets	6,349
Accounts payable and accrued liabilities	(35,977)
Intangibles	50,693
Goodwill	168,878
Total preliminary estimated purchase price allocation	285,165
Skyline [Member] | Previously Reported
Business Acquisition [Line Items]
Cash		$ 9,722
Trade accounts receivable		13,876
Inventory		19,028
Property, plant and equipment		44,642
Deferred tax assets, net		9,733
Other assets		6,349
Accounts payable and accrued liabilities		(35,763)
Intangibles		43,300
Goodwill		174,278
Total preliminary estimated purchase price allocation		$ 285,165
Skyline [Member] | Changes to Allocation
Business Acquisition [Line Items]
Deferred tax assets, net	(1,779)
Accounts payable and accrued liabilities	(214)
Intangibles	7,393
Goodwill	$ (5,400)