Pension, Postretirement and Postemployment Benefits (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit plan, number of major plans which principally cover non-union employees	2
Defined benefit plan, number of major plans that are funded	1
Funded [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Projected benefit obligations in excess of the fair value of the plans' assets	$ 73,398	$ 24,551
Unfunded [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Projected benefit obligations in excess of the fair value of the plans' assets	37,660	34,886
International Plans [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Pension expense	3,363	4,085	3,458
Change in Projected Benefit Obligation [Roll Forward]
Projected benefit obligation - beginning	112,460
Projected benefit obligation - ending	147,528	112,460
Change in Plan Assets [Roll Forward]
Fair value of plan assets - beginning	85,335
Fair value of plan assets - ending	102,375	85,335
Reconciliation of Funded Status [Abstract]
Projected benefit obligation	(147,528)	(112,460)
Fair value of plan assets	102,375	85,335
Expected amortization of unrecognized net losses in next fiscal year	1,515
Expected amortization of unrecognized prior service cost in next fiscal year	(43)
Pension [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Pension expense	34,300	35,900	40,300
Pension expense related to defined contribution plans	28,100	23,000	29,500
Change in Projected Benefit Obligation [Roll Forward]
Projected benefit obligation - beginning	332,774	391,681
Service cost	1,824	2,579	1,784
Interest cost	16,209	15,597	16,669
Actuarial (gain) loss	59,640	(45,170)
Curtailment	0	2,958
Plan amendment	0	0
Benefits paid	(25,690)	(17,213)
Settlements	0	(16,213)
Expenses paid	(1,689)	(1,445)
Projected benefit obligation - ending	383,068	332,774	391,681
Accumulated benefit obligation - ending	383,068	332,774
Change in Plan Assets [Roll Forward]
Fair value of plan assets - beginning	273,337	273,575
Actual return on plan assets	20,385	30,619
Employer contribution	5,667	4,014
Benefits paid	(25,690)	(17,213)
Settlements	0	(16,213)
Expenses paid	(1,689)	(1,445)
Fair value of plan assets - ending	272,010	273,337	273,575
Reconciliation of Funded Status [Abstract]
Projected benefit obligation	(383,068)	(332,774)	(391,681)
Fair value of plan assets	272,010	273,337	273,575
Funded status	(111,058)	(59,437)
Unrecognized net loss (gain)	123,968	69,716
Unrecognized prior service cost	187	0
Net amount recognized	13,097	10,279
Accrued liabilities	(2,990)	(2,978)
Other liabilities	(108,068)	(56,459)
Accumulated other comprehensive earnings (loss)	124,155	69,716
Expected amortization of unrecognized net losses in next fiscal year	7,452
Expected amortization of unrecognized prior service cost in next fiscal year	98
Assumptions used to determine year-end pension and postretirement benefit obligations [Abstract]
Weighted average discount rate	4.19%	5.02%
Postretirement [Member]
Change in Projected Benefit Obligation [Roll Forward]
Projected benefit obligation - beginning	27,174	36,969
Service cost	543	750	735
Interest cost	1,337	1,380	1,758
Actuarial (gain) loss	796	(5,617)
Curtailment	0	0
Plan amendment	0	(4,408)
Benefits paid	(1,833)	(1,900)
Settlements	0	0
Expenses paid	0	0
Projected benefit obligation - ending	28,017	27,174	36,969
Accumulated benefit obligation - ending	28,017	27,174
Change in Plan Assets [Roll Forward]
Fair value of plan assets - beginning	0
Actual return on plan assets	0	0
Employer contribution	0	0
Benefits paid	0	0
Settlements	0	0
Expenses paid	0	0
Fair value of plan assets - ending	0	0
Reconciliation of Funded Status [Abstract]
Projected benefit obligation	(28,017)	(27,174)	(36,969)
Fair value of plan assets	0	0
Funded status	(28,017)	(27,174)
Unrecognized net loss (gain)	782	(15)
Unrecognized prior service cost	(3,401)	(3,857)
Net amount recognized	(30,636)	(31,046)
Accrued liabilities	(2,100)	(2,100)
Other liabilities	(25,917)	(25,074)
Accumulated other comprehensive earnings (loss)	(2,619)	(3,872)
Expected amortization of unrecognized prior service cost in next fiscal year	$ (457)
Assumptions used to determine year-end pension and postretirement benefit obligations [Abstract]
Weighted average discount rate	4.23%	5.11%
Health care cost trend rate assumed for next year	6.50%	7.00%
Rate to which the cost trend rate is assumed to decline (ultimate trend rate)	5.00%	5.00%
Year that the rate reaches the ultimate trend	2020	2020