Derivative Instruments and Hedging Activities Part 2 (Details)				12 Months Ended																0 Months Ended	12 Months Ended
	Dec. 27, 2014 USD ($)	Dec. 28, 2013 USD ($)	Dec. 27, 2014 Commodity Contracts [Member] USD ($)	Dec. 27, 2014 Commodity Contracts [Member] Not Designated as Hedging Instrument [Member] Cost of Goods Sold [Member] USD ($)	Dec. 28, 2013 Commodity Contracts [Member] Not Designated as Hedging Instrument [Member] Cost of Goods Sold [Member] USD ($)	Dec. 27, 2014 Commodity Contracts [Member] Cash Flow Hedging [Member] USD ($)	Dec. 28, 2013 Commodity Contracts [Member] Cash Flow Hedging [Member] USD ($)	Dec. 27, 2014 Commodity Contracts [Member] Cash Flow Hedging [Member] Cost of Goods Sold [Member] USD ($)	Dec. 28, 2013 Commodity Contracts [Member] Cash Flow Hedging [Member] Cost of Goods Sold [Member] USD ($)	Dec. 27, 2014 Commodity Contracts [Member] Fair Value Hedging [Member] Cost of Goods Sold [Member] USD ($)	Dec. 28, 2013 Commodity Contracts [Member] Fair Value Hedging [Member] Cost of Goods Sold [Member] USD ($)	Dec. 27, 2014 Foreign Currency Contracts [Member] USD ($)	Dec. 27, 2014 Foreign Currency Contracts [Member] EUR (€)	Dec. 27, 2014 Foreign Currency Contracts [Member] Cash Flow Hedging [Member] USD ($)	Dec. 28, 2013 Foreign Currency Contracts [Member] Cash Flow Hedging [Member] USD ($)	Dec. 27, 2014 Foreign Currency Contracts [Member] Cash Flow Hedging [Member] Property, plant, and equipment, net [Member] USD ($)	Dec. 28, 2013 Foreign Currency Contracts [Member] Cash Flow Hedging [Member] Property, plant, and equipment, net [Member] USD ($)	Dec. 27, 2014 Inventory [Member] Fair Value Hedging [Member] Cost of Goods Sold [Member] USD ($)	Dec. 28, 2013 Inventory [Member] Fair Value Hedging [Member] Cost of Goods Sold [Member] USD ($)	Feb. 20, 2013 Interest Rate Swap [Member] USD ($)	Dec. 27, 2014 Interest Rate Swap [Member] USD ($)	Dec. 27, 2014 Interest Rate Swap [Member] Cash Flow Hedging [Member] USD ($)	Dec. 28, 2013 Interest Rate Swap [Member] Cash Flow Hedging [Member] USD ($)	Dec. 27, 2014 Interest Rate Swap [Member] Cash Flow Hedging [Member] Interest Expense [Member] USD ($)	Dec. 28, 2013 Interest Rate Swap [Member] Cash Flow Hedging [Member] Interest Expense [Member] USD ($)
Derivative Instruments, Gain (Loss) [Line Items]
(Loss) Gain Recognized in AOCI (Effective Portion), Net of Tax						$ (1,088,000)	$ (3,337,000)							$ (275,000)	$ 401,000							$ (1,435,000)	$ 834,000
(Gain) Loss Reclassified from AOCI (Effective Portion), Net of Tax								267,000	3,781,000							0	34,000							0	0
Gain (loss) on the derivatives in designated and qualifying fair value hedges										6,783,000	5,115,000							(5,958,000)	(4,827,000)
Gain (loss) on undesignated derivatives				1,466,000	(611,000)
Notional amount													1,500,000							200,000,000
Time period for open forward contracts to purchase												3 months	3 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			(538,000)									157,000									(601,000)
Offsetting Assets [Line Items]
Restricted cash in other current assets as collateral related to open derivative contracts	$ 500,000	$ 2,100,000