STREAMLINING INITIATIVES - By Type (Details) - USD ($) $ in Thousands	3 Months Ended				12 Months Ended
	Jan. 02, 2016	Oct. 03, 2015	Jul. 04, 2015	Apr. 04, 2015	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
STREAMLINING INITIATIVES
Expected payments in 2017					$ 400
Expected payments in 2017, Discontinued operations					2,000
Roll forward and components of streamlining initiatives
Balance at the beginning of the period				$ 9,897	10,509	$ 9,897	$ 16,894
Provision	$ 2,400	$ 7,000	$ 7,100	18,900		35,395	41,952
Asset write-downs						(8,333)	(6,367)
Translation difference						28	(3)
Spending					(7,566)	(26,478)	(42,579)
Balance at the end of the period	10,509				2,943	10,509	9,897
Share-based compensation					27,139	25,577	37,270
Payroll and Related Costs
Roll forward and components of streamlining initiatives
Balance at the beginning of the period				2,080	2,338	2,080	3,036
Provision						12,480	33,729
Translation difference						(1)
Spending					(2,287)	(12,221)	(34,685)
Balance at the end of the period	2,338				51	2,338	2,080
Share-based compensation						300	17,300
Contract Termination Costs
Roll forward and components of streamlining initiatives
Balance at the beginning of the period				987	4,793	987	2,151
Provision						11,271	1,540
Spending					(1,985)	(7,465)	(2,704)
Balance at the end of the period	4,793				2,808	4,793	987
Asset Write Downs
Roll forward and components of streamlining initiatives
Provision						8,333	6,367
Asset write-downs						(8,333)	(6,367)
Other Costs
Roll forward and components of streamlining initiatives
Balance at the beginning of the period				$ 6,830	3,378	6,830	11,707
Provision						3,311	316
Translation difference						29	(3)
Spending					(3,294)	(6,792)	(5,190)
Balance at the end of the period	$ 3,378				$ 84	$ 3,378	$ 6,830