Postretirement Benefits Change in Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 03, 2016	Dec. 28, 2014	Dec. 29, 2013
Compensation and Retirement Disclosure [Abstract]
Net actuarial (gain) loss	$ (214)	$ 808
Amortization of net loss	(163)	(104)
Amortization of prior service credit	355	355
Total recognized in accumulated other comprehensive income	$ (22)	$ 1,059	$ (33)

No definition available.

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Amount before tax of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) related to pension and other postretirement benefit plans.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
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Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.

+ References

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Amount before tax of (increase) decrease in the value of the projected benefit obligation related to a change in an actuarial assumption and increase (decrease) in the value of the plan assets resulting from experience different from that assumed, that has not been recognized in net periodic benefit (cost) credit.

+ References

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Amount before tax of reclassification adjustment from accumulated other comprehensive income (loss) for actuarial gain (loss) related to pension and other postretirement benefit plans.

+ References

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-Publisher FASB
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