Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 24, 2012
Cash flows from operating activities:
Net income	$ 243,204	$ 211,393
Adjustments to reconcile net income to operating cash flows:
Depreciation and amortization	95,889	95,817
Facility consolidation charges	10,202	9,885
Pension contributions, net of pension expense	(75,751)	(76,266)
Equity income in unconsolidated investees, net	(17,218)	(12,975)
Stock-based compensation – equity awards	15,877	12,598
Change in other assets and liabilities, net	(48,262)	76,130
Net cash flow from operating activities	223,941	316,582
Cash flows from investing activities:
Purchase of property, plant and equipment	(48,898)	(38,352)
Payments for acquisitions, net of cash acquired	(18,134)	(9,180)
Payments for investments	(2,379)	(500)
Proceeds from investments	29,365	10,393
Proceeds from sale of assets	6,586	4,040
Net cash used for investing activities	(33,460)	(33,599)
Cash flows from financing activities:
Proceeds from (payments of) borrowings under revolving credit agreements, net	(79,000)	205,000
Proceeds from Issuance of Long-term Debt	0	(306,571)
Dividends paid	(91,695)	(66,241)
Cost of common shares repurchased	(41,385)	(81,010)
Proceeds from issuance of common stock upon exercise of stock options	13,132	2,033
Distribution to noncontrolling interests	(218)	0
Deferred payments for acquisitions	(3,693)	(1,027)
Net cash used for financing activities	(202,859)	(247,816)
Effect of currency exchange rate change on cash	(1,155)	(4)
Increase (decrease) in cash and cash equivalents	(13,533)	35,163
Balance of cash and cash equivalents at beginning of period	175,030	166,926
Balance of cash and cash equivalents at end of period	$ 161,497	$ 202,089