SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2018

Accounting Policies [Abstract]

Schedule of Inventories, Net

Inventories consisted of the following:

	December 31,
	2018		2017
	(In thousands)
Finished goods	$	179,885	$	190,100
Work in process	47,715		58,637
Raw materials	52,747		47,595
Total inventories, net	$	280,347	$	296,332

Schedule of Property, Plant and Equipment Balances and Corresponding Lives

Property, plant and equipment balances and corresponding lives were as follows:

	December 31,
	2018			2017			Useful Lives
	(In thousands)
Land	$	1,837		$	1,881
Buildings and building improvements	20,472			20,243			5-40 years
Leasehold improvements	105,063			90,329			1-20 years
Machinery and production equipment	143,921			137,914			3-20 years
Surgical instrument kits	31,231			30,511			4-5 years
Information systems and hardware	129,962			127,946			1-7 years
Furniture, fixtures, and office equipment	17,731			17,394			1-15 years
Construction-in-progress	105,075			62,967
Total	555,292			489,185
Less: Accumulated depreciation	(255,180		)	(219,934		)
Property, plant and equipment, net	$	300,112		$	269,251