Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

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Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Derivatives - Activity in Accumulated Other Comprehensive Items (OCI) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Oct. 01, 2016	Oct. 03, 2015
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Loss recognized in AOCI	$ 139	$ 97	$ 99	$ 17
Net unrealized loss included in OCI expected to be reclassified to earnings over the next 12 months			73
Cash Flow Hedging [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Unrealized loss, net of tax, at January 2, 2016			(229)
Loss reclassified to earnings			364
Loss recognized in AOCI			(265)
Unrealized loss, net of tax, at October 1, 2016	(130)		(130)
Cash Flow Hedging [Member] \| Interest Rate Swap Agreements [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Unrealized loss, net of tax, at January 2, 2016			(162)
Loss reclassified to earnings			230
Loss recognized in AOCI			(163)
Unrealized loss, net of tax, at October 1, 2016	(95)		(95)
Cash Flow Hedging [Member] \| Foreign Exchange Forward [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Unrealized loss, net of tax, at January 2, 2016			(67)
Loss reclassified to earnings			134
Loss recognized in AOCI			(102)
Unrealized loss, net of tax, at October 1, 2016	$ (35)		$ (35)