Other Comprehensive Income Changes in accumulated other comprehensive income (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2016	Apr. 04, 2015
Accumulated Other Comprehensive Income/(Loss) [Line Items]
Currency Translation Adjustment	$ (396)	$ (15,791)
Accumulated Other Comprehensive Income [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(76,412)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	3,457
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	3,778	$ (114)
Reclassification from accumulated other comprehensive income, current period, net of tax	(196)
Other Comprehensive Income (Loss), before Reclassifications, before Tax	3,261
Accumulated Other Comprehensive Income (Loss), Net of Tax	(73,151)
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income/(Loss) [Line Items]
Currency Translation Adjustment	(396)
Accumulated Other Comprehensive Income [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(52,842)
Reclassification from accumulated other comprehensive income, current period, net of tax	0
Other Comprehensive Income (Loss), before Reclassifications, before Tax	(396)
Accumulated Other Comprehensive Income (Loss), Net of Tax	(53,238)
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(23,579)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	(3,778)
Reclassification from accumulated other comprehensive income, current period, net of tax	0
Other Comprehensive Income (Loss), before Reclassifications, before Tax	3,778
Accumulated Other Comprehensive Income (Loss), Net of Tax	(19,801)
Interest Rate Swap [Member] | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax	9
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	75
Reclassification from accumulated other comprehensive income, current period, net of tax	(196)
Other Comprehensive Income (Loss), before Reclassifications, before Tax	(121)
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (112)