BUSINESS REALIGNMENT ACTIVITIES - NARRATIVE (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 29, 2019	Sep. 30, 2018	Sep. 29, 2019	Sep. 30, 2018	Dec. 31, 2018	Dec. 31, 2017	Feb. 28, 2017
Restructuring Cost and Reserve [Line Items]
Long-lived asset impairment charges	$ 0	$ 1,649,000	$ 4,741,000	$ 28,817,000
Business realignment costs	1,606,000	11,423,000	8,468,000	42,670,000
Margin for Growth Program
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	$ 344,763,000		$ 344,763,000
Long-lived asset impairment charges					$ 16,300,000	$ 208,712,000
Restructuring and Related Cost, Number of Positions Eliminated, Inception to Date Percent	15.00%		15.00%
Business realignment costs	$ 1,606,000	16,908,000	$ 8,468,000	46,419,000
Margin for Growth Program | Severance
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	53,755,000		53,755,000
Business realignment costs	0	5,573,000	5,823,000	12,635,000
Margin for Growth Program | Other program costs
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	65,996,000		65,996,000
Business realignment costs	1,606,000	6,549,000	2,645,000	21,754,000
Operational Optimization Program
Restructuring Cost and Reserve [Line Items]
Business realignment costs		1,077,000		2,813,000
Operational Optimization Program | Other program costs
Restructuring Cost and Reserve [Line Items]
Business realignment costs	0	1,077,000	0	2,813,000
Operational Optimization Program | Facility Closing
Restructuring Cost and Reserve [Line Items]
Business realignment costs	0	$ (6,562,000)	$ 0	$ (6,562,000)
Business realignment charges | Geographic Concentration Risk | North America | Margin for Growth Program
Restructuring Cost and Reserve [Line Items]
Concentration Risk, Percentage			63.00%
Business realignment charges | Geographic Concentration Risk | International and Other | Margin for Growth Program
Restructuring Cost and Reserve [Line Items]
Concentration Risk, Percentage			37.00%
Minimum | Margin for Growth Program
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost							$ 375,000,000
Maximum | Margin for Growth Program
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost							$ 425,000,000
Restructuring and Related Cost, Expected Cost, Cash Portion	$ 103,000,000		$ 103,000,000