Other Comprehensive Earnings (Loss) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 29, 2015	Mar. 30, 2014
Other Comprehensive Earnings (Loss) [Abstract]
Tax (expense) benefit on cash flow hedging activities	$ (4,815)	$ 9,474
Tax expense on unrealized holding gains	(128)	(1,272)
Reclassification Adjustment from AOCE, Tax (benefit) expense on cash flow hedging activities	342	(223)
Reclassification Adjustment from AOCE, Tax benefit on unrecognized pension and postretirement amounts	(684)	(303)
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent, Total	(5,285)	7,676
Cash Flow Hedge gains to be Reclassified within Twelve Months	55,029
Accumulated Other Comprehensive (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), Beginning of Year	(95,454)	(34,135)
Other Comprehensive Earnings (Loss), Net of Tax, Total	8,458	(14,430)
Total accumulated other comprehensive earnings (loss), End of Period	(86,996)	(48,565)
Pension and Postretirement Amounts [Member]
Accumulated Other Comprehensive (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), Beginning of Year	(113,092)	(64,841)
Other Comprehensive Earnings (Loss), Net of Tax, Total	1,204	534
Total accumulated other comprehensive earnings (loss), End of Period	(111,888)	(64,307)
Gains (Losses) On Derivative Instruments [Member]
Accumulated Other Comprehensive (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), Beginning of Year	43,689	(7,313)
Other Comprehensive Earnings (Loss), Net of Tax, Total	54,339	(14,913)
Total accumulated other comprehensive earnings (loss), End of Period	98,028	(22,226)
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), Beginning of Year	(27,951)	38,019
Other Comprehensive Earnings (Loss), Net of Tax, Total	(47,311)	(2,294)
Total accumulated other comprehensive earnings (loss), End of Period	(75,262)	35,725
Unrealized Holding Gains on Available-for-Sale Securities [Member]
Accumulated Other Comprehensive (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), Beginning of Year	1,900	0
Other Comprehensive Earnings (Loss), Net of Tax, Total	226	2,243
Total accumulated other comprehensive earnings (loss), End of Period	$ 2,126	$ 2,243

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

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Amount of tax (expense) benefit of reclassification adjustment from accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.

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Amount of tax expense (benefit) allocated to other comprehensive income (loss) attributable to parent entity.

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Amount of tax expense (benefit), before reclassification adjustments, related to increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Amount of tax expense (benefit) before reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities.

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