SIGNIFICANT ACCOUNTING POLICIES AND NEW ACCOUNTING PRONOUNCEMENTS (Details 4) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 30, 2012	Jan. 01, 2012	Jan. 02, 2011
Foreign Currencies
Foreign currency transaction gain (loss) recorded in other income (expense)	$ (10.1)	$ 10.4	$ (5.3)
Minimum
Warranties
Base warranty period	2 years
Maximum
Warranties
Base warranty period	10 years
Power products
Warranties
Base warranty period	2 years
Renewable energy products | Minimum
Warranties
Base warranty period	5 years
Extended warranty period	5 years
Renewable energy products | Maximum
Warranties
Base warranty period	10 years
Extended warranty period	10 years