Derivative Instruments and Hedging Activities Part 2 (Details)				3 Months Ended																0 Months Ended	3 Months Ended
	Mar. 28, 2015 USD ($)	Dec. 27, 2014 USD ($)	Mar. 28, 2015 Commodity Contracts [Member] USD ($)	Mar. 28, 2015 Commodity Contracts [Member] Not Designated as Hedging Instrument [Member] Cost of Goods Sold [Member] USD ($)	Mar. 29, 2014 Commodity Contracts [Member] Not Designated as Hedging Instrument [Member] Cost of Goods Sold [Member] USD ($)	Mar. 28, 2015 Commodity Contracts [Member] Cash Flow Hedging [Member] USD ($)	Mar. 29, 2014 Commodity Contracts [Member] Cash Flow Hedging [Member] USD ($)	Mar. 28, 2015 Commodity Contracts [Member] Cash Flow Hedging [Member] Cost of Goods Sold [Member] USD ($)	Mar. 29, 2014 Commodity Contracts [Member] Cash Flow Hedging [Member] Cost of Goods Sold [Member] USD ($)	Mar. 28, 2015 Commodity Contracts [Member] Fair Value Hedging [Member] Cost of Goods Sold [Member] USD ($)	Mar. 29, 2014 Commodity Contracts [Member] Fair Value Hedging [Member] Cost of Goods Sold [Member] USD ($)	Mar. 28, 2015 Foreign Currency Contracts [Member] USD ($)	Mar. 28, 2015 Foreign Currency Contracts [Member] EUR (€)	Mar. 28, 2015 Foreign Currency Contracts [Member] Cash Flow Hedging [Member] USD ($)	Mar. 29, 2014 Foreign Currency Contracts [Member] Cash Flow Hedging [Member] USD ($)	Mar. 28, 2015 Foreign Currency Contracts [Member] Cash Flow Hedging [Member] Depreciation Expense [Member] USD ($)	Mar. 29, 2014 Foreign Currency Contracts [Member] Cash Flow Hedging [Member] Depreciation Expense [Member] USD ($)	Mar. 28, 2015 Inventory [Member] Fair Value Hedging [Member] Cost of Goods Sold [Member] USD ($)	Mar. 29, 2014 Inventory [Member] Fair Value Hedging [Member] Cost of Goods Sold [Member] USD ($)	Feb. 20, 2013 Interest Rate Swap [Member] USD ($)	Mar. 28, 2015 Interest Rate Swap [Member] USD ($)	Mar. 28, 2015 Interest Rate Swap [Member] Cash Flow Hedging [Member] USD ($)	Mar. 29, 2014 Interest Rate Swap [Member] Cash Flow Hedging [Member] USD ($)	Mar. 28, 2015 Interest Rate Swap [Member] Cash Flow Hedging [Member] Interest Expense [Member] USD ($)	Mar. 29, 2014 Interest Rate Swap [Member] Cash Flow Hedging [Member] Interest Expense [Member] USD ($)
Derivative Instruments, Gain (Loss) [Line Items]
(Loss) Gain Recognized in AOCI (Effective Portion), Net of Tax						$ 274,000	$ (1,010,000)							$ (55,000)	$ 22,000							$ (1,032,000)	$ (245,000)
(Gain) Loss Reclassified from AOCI (Effective Portion), Net of Tax								571,000	291,000							0	(174,000)							68,000	0
Gain (loss) on the derivatives in designated and qualifying fair value hedges										213,000	6,291,000							(247,000)	(5,800,000)
Gain (loss) on undesignated derivatives				234,000	1,538,000
Notional amount													326,000							200,000,000
Time period for open forward contracts to purchase												4 months	4 months
Period of interest rate swap																				2 years
Interest rate swap, fixed interest rate (in hundredths)																				1.40%
Term loan facility, all-in fixed interest rate (in hundredths)																				2.70%
Interest rate swap maturity date																					Dec. 11, 2017
Deferred net gains (losses), net of tax, included in AOCI			317,000									101,000									(1,600,000)
Restricted cash in other current assets as collateral related to open derivative contracts	$ 1,700,000	$ 500,000