RESTRUCTURING AND ASSET IMPAIRMENTS - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016	Dec. 26, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 7,568	$ 4,778	$ 17,879
Severance and retention costs liability	2,921	6,856	8,102	$ 2,969
RMS
Restructuring Cost and Reserve [Line Items]
Restructuring costs	1,983	18,145
Asset Impairments and Other Costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	48	929	4,809
Asset Impairments and Other Costs \| RMS
Restructuring Cost and Reserve [Line Items]
Restructuring costs	822	17,716
Severance and Transition Costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	7,520	3,849	$ 8,454
Severance and Transition Costs \| Accrued Compensation
Restructuring Cost and Reserve [Line Items]
Severance and retention costs liability	2,400	3,000
Severance and Transition Costs \| Other Long-Term Liabilities
Restructuring Cost and Reserve [Line Items]
Severance and retention costs liability	500	3,900
Severance and Transition Costs \| RMS
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 1,161	$ 429