ACQUISITIONS - Schedule of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Apr. 03, 2021	Dec. 31, 2020	Mar. 02, 2020	Dec. 31, 2019
Assets acquired:
Goodwill	$ 1,195,983	$ 1,194,729		$ 1,669,594
Liabilities assumed:
Lease liabilities	$ 263,714
Kleary Masonry, Inc.
Assets acquired:
Cash			$ 143
Accounts receivable			7,135
Inventories			670
Prepaid expenses and other current assets			277
Property, plant and equipment			1,042
Lease right of use assets			445
Intangible assets (trade names/customer relationships)			22,350
Goodwill			12,539
Total assets acquired			44,601
Liabilities assumed:
Accounts payable			1,149
Other accrued expenses			1,020
Lease liabilities			339
Other long-term liabilities			109
Total liabilities assumed			2,617
Net assets acquired			$ 41,984