CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended			32 Months Ended
	Dec. 31, 2016	Dec. 26, 2015	Dec. 27, 2014	Dec. 31, 2016
Cash flows from operating activities:
Net earnings	$ 178,391	$ 45,333	$ 189,318
Adjustments to reconcile net earnings to net cash flows from operations:
Depreciation and amortization	82,417	91,144	89,328
Noncash loss on trading securities	586	4,555	3,795
Non-cash after-tax loss on deconsolidation	(13,652)	0	0
Impairment of Property Plant and Equipment	1,099	19,836	0
Impairment of assets - restructuring activities	(13,652)
Impairment of goodwill & intangible assets	0	41,970	0
Non-cash debt refinancing costs	0	0	(2,478)
Stock-based compensation	9,931	7,244	6,730
Change in fair value of contingent consideration	(3,242)	0	(4,300)
Defined benefit pension plan expense (benefit)	1,870	(610)	2,638
Contribution to defined benefit pension plan	(1,488)	(16,500)	(18,173)
Loss on sale of property, plant and equipment	631	2,327	392
Equity in earnings in nonconsolidated subsidiaries	0	247	(29)
Deferred income taxes	(23,685)	4,858	5,251
Changes in assets and liabilities (net of acquisitions):
Receivables	24,622	50,267	907
Inventories	(11,461)	3,296	21,458
Prepaid expenses	1,138	10,844	(13,594)
Accounts payable	104	(6,805)	(34,321)
Accrued expenses	(12,207)	8,918	(34,778)
Other noncurrent liabilities	(23,880)	(1,764)	1,755
Income taxes payable (refundable)	7,994	7,107	(39,803)
Net cash flows from operating activities	219,168	272,267	174,096
Cash flows from investing activities:
Purchase of property, plant and equipment	(57,920)	(45,468)	(73,023)
Proceeds from sale of assets	5,126	3,249	2,489
Acquisitions, net of cash acquired	0	(12,778)	(185,710)
Other, net	(255)	6,826	(619)
Net cash flows from investing activities	(53,049)	(48,171)	(256,863)
Cash flows from financing activities:
Net payments under short-term agreements	(200)	(12,853)	(4,472)
Proceeds from long-term borrowings	0	68,000	652,211
Principal payments on long-term borrowings	(2,006)	(69,098)	(357,858)
Settlement of financial derivatives	0	0	4,981
Dividends paid	(34,053)	(35,357)	(32,443)
Dividends to noncontrolling interest	(2,938)	(2,634)	(2,919)
Payments to Acquire Additional Interest in Subsidiaries	(11,009)	0	0
Debt issuance costs	0	0	(7,644)
Purchase of treasury shares	(53,800)	(168,983)	(395,045)	$ (617,800)
Proceeds from exercises under stock plans	11,153	13,075	14,572
Excess tax benefits from stock option exercises	0	1,699	4,264
Purchase of common treasury shares—stock plan exercises	(2,305)	(13,854)	(15,403)
Net cash flows from financing activities	(95,158)	(220,005)	(139,756)
Effect of exchange rate changes on cash and cash equivalents	(20,087)	(26,596)	(19,604)
Net change in cash and cash equivalents	50,874	(22,505)	(242,127)
Cash and cash equivalents—beginning of year	349,074	371,579	613,706
Cash and cash equivalents—end of period	$ 399,948	$ 349,074	$ 371,579	$ 399,948