ACQUISITIONS (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross	$ 487,944	$ 185,209	$ 210,167
Goodwill	1,455,137	1,166,680	$ 1,088,032
2019 acquisitions [Member]
Business Acquisition [Line Items]
Accounts receivable		16,551
Inventory		7,608
Property, plant, and equipment		1,117
Intangible assets		94,400
Operating lease right of-use assets		4,605
Other Current and Non-current Assets		888
Current and non-current liabilities		(11,604)
Assets Acquired and Liabilities Assumed, Net		113,565
Payments to Acquire Businesses, Net of Cash Acquired		185,209
Goodwill		71,644
Cash paid to date, net of cash acquired		185,209
Business Combination, Consideration Transferred		185,209
Business Acquisition, Goodwill, Expected Tax Deductible Amount		$ 72,777
2020 acquisitions
Business Acquisition [Line Items]
Accounts receivable	25,488
Inventory	37,840
Property, plant, and equipment	5,280
Intangible assets	204,384
Operating lease right of-use assets	5,562
Other Current and Non-current Assets	7,050
Current and non-current liabilities	(75,257)
Assets Acquired and Liabilities Assumed, Net	210,347
Payments to Acquire Businesses, Gross	495,547
Goodwill	285,200
Cash paid to date, net of cash acquired	487,944
Payments To Acquire Business, Remaining To Be Paid	7,603
Business Combination, Consideration Transferred	495,547
Business Acquisition, Goodwill, Expected Tax Deductible Amount	$ 37,234