Financial Instruments - Schedule of Interest Rate Swaps (Details) (Interest Rate Swap [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
Jan. 03, 2015	Dec. 28, 2013
Other Comprehensive Income (Loss) [Member]
Derivative [Line Items]
Gain/(loss) recognized in accumulated other comprehensive income	$ (1,494)	$ (644)
Interest Expense [Member]
Derivative [Line Items]
Gain/(loss) reclassified from accumulated other comprehensive income (effective portion)	(2,151)	(2,006)
Other Expense [Member]
Derivative [Line Items]
Gain/(loss) recognized in income (ineffective portion)	4	20
Other Noncurrent Liabilities [Member]
Derivative [Line Items]
Fair value	$ (810)	$ (1,471)

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959

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-Publisher FASB

-Name Accounting Standards Codification

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-Section 50

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-Subparagraph (b)

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- Definition

The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 25

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-Subparagraph (a)(1),(2)

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The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

+ References

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Fair value as of the balance sheet date of all interest rate derivative liabilities designated as cash flow hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (c)(1)

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