EMPLOYEE BENEFIT PLANS (Details) In Millions, unless otherwise specified	3 Months Ended
	Mar. 29, 2014 Domestic Pension Plans USD ($) employee	Dec. 31, 2014 Foreign Pension Plans USD ($) item	Dec. 31, 2014 Foreign Pension Plans GBP (£)
Employee benefit plans
Number of eligible former employees intended to be offered with voluntary single lump-sum payment option in lieu of a future pension benefit	7,100
Percentage of projected benefit obligation of the Plan settled as a result of lump-sum payments	38.00%
Projected benefit obligation of the Plan settled as a result of lump-sum payments	$ 165.2
Charge reflected in net periodic pension benefit expense	4.6
Number of retirees assumed by third party for future pension payments		900	900
Amount paid for obligations assumed by third party		123.3	79.2
Obligations assumed by third party		105.8	68.0
Settlement gain (loss) resulting from partial annuitization		$ 15.0