Benefit Plans from Pension Plans (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Jun. 30, 2013	Jul. 01, 2012
Employer Contributions [Abstract]
Maximum percentage of total benefit obligation for international pension plans (in hundredths)	25.00%		25.00%
Company contribution to benefit plans			$ 4,155,000	$ 7,852,000
Pension Plans, Defined Benefit [Member]
Components of Net Periodic Benefit Cost [Abstract]
Service cost	2,300,000	2,300,000	4,600,000	4,700,000
Interest cost	2,800,000	2,900,000	5,600,000	5,800,000
Expected return on plan assets	(3,700,000)	(3,500,000)	(7,400,000)	(7,000,000)
Amortization [Abstract]
Prior service cost	300,000	300,000	600,000	600,000
Recognized net actuarial loss	3,400,000	3,400,000	6,800,000	6,800,000
Net periodic benefit cost	5,100,000	5,400,000	10,200,000	10,900,000
Employer Contributions [Abstract]
Expected company contribution to its benefit plans			10,000,000
Company contribution to benefit plans			3,900,000
Other Postretirement Benefit Plans, Defined Benefit [Member]
Components of Net Periodic Benefit Cost [Abstract]
Service cost	200,000	100,000	300,000	300,000
Interest cost	100,000	100,000	200,000	200,000
Amortization [Abstract]
Prior service cost	(800,000)	(800,000)	(1,600,000)	(1,600,000)
Net periodic benefit cost	(500,000)	(600,000)	(1,100,000)	(1,100,000)
Employer Contributions [Abstract]
Expected company contribution to its benefit plans			1,000,000
Company contribution to benefit plans			$ 300,000