STREAMLINING INITIATIVES (Details) (USD $)	3 Months Ended								12 Months Ended
	Jan. 03, 2015	Oct. 04, 2014	Jul. 05, 2014	Apr. 05, 2014	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012
STREAMLINING INITIATIVES
Expected payment of accrued streamlining costs in the next 12 months	$ 7,800,000								$ 7,800,000
Expected payment of accrued streamlining costs classified as discontinued operations in the next 12 months									5,900,000
Roll forward of liability for streamlining initiatives
Balance at the beginning of the period				16,894,000				24,566,000	16,894,000	24,566,000	56,331,000
provision	7,100,000	1,100,000	4,900,000	28,900,000	7,300,000	(1,000,000)	1,400,000	2,900,000	41,952,000	10,601,000	43,193,000
asset write-downs									(6,367,000)	(1,744,000)	(27,783,000)
Translation difference									(3,000)	23,000	83,000
Spending									(42,579,000)	(16,552,000)	(47,258,000)
Balance at the end of the period	9,897,000				16,894,000				9,897,000	16,894,000	24,566,000
Share-based compensation									37,270,000	7,269,000	6,911,000
Payroll and Related Costs
Roll forward of liability for streamlining initiatives
Balance at the beginning of the period				3,036,000				4,559,000	3,036,000	4,559,000	7,352,000
provision									33,729,000	5,657,000	9,158,000
Translation difference										(7,000)	25,000
Spending									(34,685,000)	(7,173,000)	(11,976,000)
Balance at the end of the period	2,080,000				3,036,000				2,080,000	3,036,000	4,559,000
Contract Termination
Roll forward of liability for streamlining initiatives
Balance at the beginning of the period				2,151,000				4,243,000	2,151,000	4,243,000	18,012,000
provision									1,540,000	6,000	2,681,000
Translation difference										12,000	49,000
Spending									(2,704,000)	(2,110,000)	(16,499,000)
Balance at the end of the period	987,000				2,151,000				987,000	2,151,000	4,243,000
Asset Write Downs and Disposals
Roll forward of liability for streamlining initiatives
provision									6,367,000	1,744,000	27,783,000
asset write-downs									(6,367,000)	(1,744,000)	(27,783,000)
Other Restructuring
Roll forward of liability for streamlining initiatives
Balance at the beginning of the period				11,707,000				15,764,000	11,707,000	15,764,000	30,967,000
provision									316,000	3,194,000	3,571,000
Translation difference									(3,000)	18,000	9,000
Spending									(5,190,000)	(7,269,000)	(18,783,000)
Balance at the end of the period	6,830,000				11,707,000				6,830,000	11,707,000	15,764,000
Accrued withdrawal liability	6,800,000								6,800,000
Payroll and Related Costs and Spending
Roll forward of liability for streamlining initiatives
Share-based compensation									$ 17,300,000	$ 2,800,000