CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Net income	$ 31,223	$ 22,202	$ 84,707	$ 79,338
Foreign currency translation adjustment	16,371	12,962	(9,653)	8,871
Unrealized gains (losses) on marketable securities:
Unrealized gains (losses) for the period	0	0	0	209
Less: reclassification adjustment for losses included in net income	0	0	0	712
Defined benefit plan gains (losses) and prior service costs not yet recognized as components of net periodic pension cost:
Amortization of prior service costs and net gains and losses	(752)	(560)	(2,249)	(1,880)
Comprehensive income, before tax	48,346	35,724	77,303	91,010
Income tax expense related to items of other comprehensive income	(326)	156	874	701
Comprehensive income, net of tax	48,672	35,568	76,429	90,309
Less: comprehensive income related to noncontrolling interests	(454)	(225)	(1,260)	(459)
Comprehensive income attributable to common shareholders	$ 48,218	$ 35,343	$ 75,169	$ 89,850