CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Oct. 02, 2011	Sep. 30, 2012	Oct. 02, 2011
Net income	$ 39,665,000	$ 29,339,000	$ 173,575,000	$ 333,277,000
Other comprehensive income/(loss) before tax:
Foreign currency translation adjustments	3,575,000	(3,107,000)	178,000	(1,516,000)
Unrealized gain/(loss) on investments for the period	754,000	(143,000)	1,998,000	1,278,000
Reclassification adjustments for gain on investments included in net income	(401,000)	(546,000)	(1,814,000)	(2,059,000)
Unrealized gain/(loss) on investments	353,000	(689,000)	184,000	(781,000)
Unrealized gain/(loss) on derivatives for the period	991,000	(2,183,000)	(358,000)	(1,162,000)
Reclassification adjustments for loss/(gain) on derivatives included in net income	770,000	(272,000)	2,778,000	(1,244,000)
Unrealized gain/(loss) on derivatives	1,761,000	(2,455,000)	2,420,000	(2,406,000)
Net actuarial loss	0	(1,855,000)	0	(1,855,000)
Amortization of transition asset, prior service cost and net actuarial loss	4,115,000	1,932,000	12,267,000	5,494,000
Defined benefit pension plans	4,115,000	77,000	12,267,000	3,639,000
Other comprehensive income/(loss) before tax	9,804,000	(6,174,000)	15,049,000	(1,064,000)
Income tax expense related to items of other comprehensive income/(loss)	0	0	0	0
Other comprehensive income/(loss), net of tax	9,804,000	(6,174,000)	15,049,000	(1,064,000)
Comprehensive income	$ 49,469,000	$ 23,165,000	$ 188,624,000	$ 332,213,000