ACQUISITIONS (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Goodwill	$ 1,088,032	$ 1,096,329	$ 951,057
2017 acquisitions [Member]
Business Acquisition [Line Items]
Accounts receivable		4,994
Inventory		22,702
Property, plant, and equipment		4,598
Intangible assets		2,816
Other Current and Non-current Assets		88,900
Current and non-current liabilities		(6,730)
Due to seller		(804)
Assets Acquired and Liabilities Assumed, Net		116,476
Purchase price		232,630
Goodwill		116,154
Business Acquisition, Goodwill, Expected Tax Deductible Amount		$ 115,532
2018 acquisitions [Member]
Business Acquisition [Line Items]
Accounts receivable	24,385
Inventory	31,875
Property, plant, and equipment	3,206
Intangible assets	146,100
Other Current and Non-current Assets	47
Current and non-current liabilities	(5,374)
Assets Acquired and Liabilities Assumed, Net	200,239
Purchase price	210,167
Goodwill	9,928
Business Acquisition, Goodwill, Expected Tax Deductible Amount	$ 9,928