FAIR VALUE ACCOUNTING (Details) (USD $) In Thousands, unless otherwise specified	Jul. 01, 2012	Dec. 31, 2011
Fair value [Member]
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Cash flow hedging derivatives - Assets	$ 12,954	$ 7,883
Cash flow hedging derivatives - Liabilities	17,490	7,412
Quoted Prices in Active Markets of Identical Assets (Level 1)
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Cash flow hedging derivatives - Assets	11,620	3,929
Cash flow hedging derivatives - Liabilities	3,861	2,103
Significant Other Observable Inputs (Level 2)
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Cash flow hedging derivatives - Assets	1,334	3,954
Cash flow hedging derivatives - Liabilities	13,629	5,309
Significant Unobservable Inputs (Level 3)
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Cash flow hedging derivatives - Assets	0	0
Cash flow hedging derivatives - Liabilities	$ 0	$ 0