Derivative Financial Instruments (Tables)

6 Months Ended

Jun. 28, 2015

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Fair Value, by Balance Sheet Grouping [Table Text Block]

The following table displays the fair value of derivatives by balance sheet line item:

	June 28, 2015								December 28, 2014
(Dollars in thousands)	Other Non-current Assets		Accrued Liabilities			Other Non-current Liabilities			Accrued Liabilities			Other Non-current Liabilities
Foreign exchange forward contracts and collars designated as hedging instruments	$	324	$	(6,598	)	$	(2,640	)	$	(5,598	)	$	(1,954	)
Total derivative instruments	$	324	$	(6,598	)	$	(2,640	)	$	(5,598	)	$	(1,954	)

Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]

The following table summarizes the notional amount and estimated fair value of our derivative financial instruments:

	June 28, 2015							December 28, 2014
(Dollars in thousands)	Local Currency Notional Amount		U.S. Dollar Notional Amount		Fair Value			Local Currency Notional Amount		U.S. Dollar Notional Amount		Fair Value
Mexico Pesos (Collars) (1)	$	131,500	$	780	$	(106	)	$	—	$	—	$	—
Mexico Pesos (Forwards)	1,699,477		115,457		(8,808		)	1,620,386		115,442		(7,552		)
Total derivative financial instruments	$	1,830,977	$	116,237	$	(8,914	)	$	1,620,386	$	115,442	$	(7,552	)

Derivative Instruments, Gain (Loss) [Table Text Block]

The following table provides the impact of derivative instruments designated as cash flow hedges on our consolidated income statement:

Twenty-six Week Period Ended June 28, 2015	Amount of Gain or (Loss)Recognized in OCI on Derivatives (Effective Portion)			Amount of Gain or(Loss) Reclassified from AOCI into Income (Effective Portion)			Amount of Pre-tax Gain or(Loss) Recognized in Income on Derivative (Ineffective Portion and Amount Excluded from Effectiveness Testing)
(Thousands of dollars)
Foreign exchange forward contracts and collars	$	(4,830	)	$	(3,534	)	$	—
Total	$	(4,830	)	$	(3,534	)	$	—