RESTRUCTURING CHARGES - Components of Restructuring Charges (Details) $ in Thousands	3 Months Ended					12 Months Ended
	Mar. 31, 2018 USD ($)	Sep. 29, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Sep. 30, 2016 USD ($)	Mar. 31, 2018 USD ($) employee	Mar. 31, 2017 USD ($) employee	Mar. 31, 2016 USD ($)
RESTRUCTURING CHARGES
Restructuring charges	$ 82,710	$ 7,981	$ 20,435	$ 17,421	$ 11,539	$ 90,691	$ 49,395	$ 0
Number of positions eliminated | employee						6,203
Cost of sales
RESTRUCTURING CHARGES
Restructuring charges	58,900					$ 66,800	38,800
Severance
RESTRUCTURING CHARGES
Restructuring charges	61,458	7,981	13,782	16,932	11,539	69,439	$ 42,253
Number of identified employees | employee							4,311
Long-Lived Asset Impairment
RESTRUCTURING CHARGES
Restructuring charges	9,417	0				9,417
Other Exit Costs
RESTRUCTURING CHARGES
Restructuring charges	11,835	0	6,653	489	0	11,835	$ 7,142
Americas:
RESTRUCTURING CHARGES
Restructuring charges	58,225	6,031	10,976	6,752	10,822	$ 64,256	$ 28,550
Number of identified employees | employee							1,988
Number of positions eliminated | employee						5,336
Americas: | Severance
RESTRUCTURING CHARGES
Restructuring charges	36,973	6,031	7,623	6,263	10,822	$ 43,004	$ 24,708
Americas: | Long-Lived Asset Impairment
RESTRUCTURING CHARGES
Restructuring charges	9,417	0				9,417
Americas: | Other Exit Costs
RESTRUCTURING CHARGES
Restructuring charges	11,835	0	3,353	489	0	11,835	3,842
Asia:
RESTRUCTURING CHARGES
Restructuring charges	14,590	1,950	5,110	9,701	263	$ 16,540	$ 15,074
Number of identified employees | employee							2,229
Number of positions eliminated | employee						741
Asia: | Severance
RESTRUCTURING CHARGES
Restructuring charges	14,590	1,950	5,110	9,701	263	$ 16,540	$ 15,074
Asia: | Long-Lived Asset Impairment
RESTRUCTURING CHARGES
Restructuring charges	0	0				0
Asia: | Other Exit Costs
RESTRUCTURING CHARGES
Restructuring charges	0	0	0	0	0	0	0
Europe:
RESTRUCTURING CHARGES
Restructuring charges	9,895	0	4,349	968	454	$ 9,895	$ 5,771
Number of identified employees | employee							94
Number of positions eliminated | employee						126
Europe: | Severance
RESTRUCTURING CHARGES
Restructuring charges	9,895	0	1,049	968	454	$ 9,895	$ 2,471
Europe: | Long-Lived Asset Impairment
RESTRUCTURING CHARGES
Restructuring charges	0	0				0
Europe: | Other Exit Costs
RESTRUCTURING CHARGES
Restructuring charges	$ 0	$ 0	$ 3,300	$ 0	$ 0	0	$ 3,300
Cash Charges
RESTRUCTURING CHARGES
Restructuring charges						78,600
Non-Cash Charges | Cost of sales
RESTRUCTURING CHARGES
Restructuring charges						$ 12,100