Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 29, 2014	Jun. 30, 2015	Jun. 29, 2014
Taxes on Change in unrecognized benefit plan losses arising during the period	$ (1,737)	$ (1,323)	$ (1,737)	$ (1,323)
Taxes on Adjustment for previously unrecognized benefit plan losses included in net income	8	3
Taxes on Change in unrealized holding gain arising during the period	(583)	0
Taxes on Change in foreign currency translation adjustments	$ 766	$ 339
Continuing operations
Taxes on Adjustment for previously unrecognized benefit plan losses included in net income			5	(39)
Taxes on Change in unrealized holding gain arising during the period			(1,188)	0
Taxes on Change in foreign currency translation adjustments			$ (407)	$ 333