GOODWILL AND INTANGIBLE ASSETS - Goodwill and Intangible Assets (Detail) $ in Thousands	Apr. 30, 2019 USD ($)
Indefinite-lived Intangible Assets [Line Items]
Accounts receivable	$ 47,408
Inventory	32,994
Other current assets	10,624
Property and equipment	88,453
Intangible assets	213,250
Goodwill	257,128
Other assets	3,040
Accounts payable	(31,069)
Accrued liabilities and other current liabilities	(66,158)
Customer deposits	(7,829)
Deferred income taxes	(77,163)
Other liabilities	(1,457)
Total consideration	469,221
Previously Reported
Indefinite-lived Intangible Assets [Line Items]
Accounts receivable	47,841
Inventory	27,165
Other current assets	7,427
Property and equipment	87,976
Intangible assets	210,920
Goodwill	259,085
Other assets	3,040
Accounts payable	(31,069)
Accrued liabilities and other current liabilities	(35,790)
Customer deposits	(7,829)
Deferred income taxes	(79,918)
Other liabilities	(19,627)
Total consideration	469,221
Restatement Adjustment
Indefinite-lived Intangible Assets [Line Items]
Accounts receivable	(433)
Inventory	5,829
Other current assets	3,197
Property and equipment	477
Intangible assets	2,330
Goodwill	(1,957)
Accrued liabilities and other current liabilities	(30,368)
Deferred income taxes	2,755
Other liabilities	$ 18,170