ACQUISITIONS (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross	$ 212,737	$ 232,630
Goodwill	1,103,562		$ 1,096,329
2017 acquisitions [Member]
Business Acquisition [Line Items]
Accounts Receivable		5,020
Inventory		22,702
Property, Plant, and Equipment		4,598
Other Current and Non-current Assets		2,815
Intangible Assets, Other than Goodwill		88,900
Current and Non-current Liabilities		(7,163)
Due from Seller, Net		(509)
Net Tangible and Intangible Assets		116,363
Purchase Price, Net of Cash Acquired		232,630
Goodwill		116,267
Goodwill, Expected Tax Deductible Amount		$ 116,267
2018 acquisitions [Member]
Business Acquisition [Line Items]
Accounts Receivable	8,143
Inventory	49,508
Property, Plant, and Equipment	3,203
Other Current and Non-current Assets	47
Intangible Assets, Other than Goodwill	141,100
Current and Non-current Liabilities	(6,734)
Due from Seller, Net	0
Net Tangible and Intangible Assets	195,267
Payments to Acquire Businesses, Gross	212,737
Goodwill	17,470
Goodwill, Expected Tax Deductible Amount	$ 17,470