Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 25, 2016	Dec. 27, 2015
Cash flows from operating activities
Net earnings	$ 396,607	$ 533,151	$ 446,872
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation of plant and equipment	143,018	119,707	111,605
Amortization of intangibles	28,818	34,763	43,722
Impairment of Goodwill	0	32,858	0
Program production cost amortization	35,798	35,931	42,449
Deferred income taxes	112,105	(662)	(18,954)
Stock-based compensation	56,032	61,624	53,880
Other non-cash items	(44,001)	(16,011)	(19,629)
Changes in operating assets and liabilities net of acquired and disposed balances:
Increase in accounts receivable	(50,376)	(149,923)	(227,808)
Increase in inventories	(25,301)	(12,065)	(99,353)
Decrease (increase) in prepaid expenses and other current assets	24,450	7,422	83,124
Program Production Costs	(48,003)	(48,690)	(42,506)
Increase (decrease) in accounts payable and accrued liabilities	(80,461)	246,223	168,584
Net deemed repatriation tax	181,305	0	0
Other, including long-term advances	(5,613)	(27,015)	29,380
Net cash provided by operating activities	724,378	817,313	571,366
Cash flows from investing activities
Additions to property, plant and equipment	(134,877)	(154,900)	(142,022)
Investments and acquisitions, net of cash acquired	0	(12,436)	0
Cash proceeds from dispositions	0	0	18,632
Other investing activities	3,396	28,945	19,743
Net cash utilized by investing activities	(131,481)	(138,391)	(103,647)
Cash flows from financing activities
Net proceeds from borrowings with maturity greater than three months	493,878	0	0
Repayments of borrowings with maturity greater than three months	(350,000)	0	0
Net proceeds from (repayments of) other short-term borrowings	(18,419)	8,978	(87,310)
Purchases of common stock	(151,311)	(150,075)	(87,224)
Stock option transactions	29,431	42,207	43,322
Dividends paid	(276,973)	(248,881)	(225,797)
Payments related to tax withholding for share based compensation	(31,994)	(21,969)	(4,693)
Other financing activities	(6,785)	(5,758)	(3,676)
Net cash utilized by financing activities	(312,173)	(375,498)	(365,378)
Effect of exchange rate changes on cash	18,225	2,111	(18,758)
Increase (decrease) in cash and cash equivalents	298,949	305,535	83,583
Cash and cash equivalents at beginning of year	1,282,285	976,750	893,167
Cash and cash equivalents at end of year	1,581,234	1,282,285	976,750
Supplemental information
Interest paid	89,294	88,525	93,106
Income taxes paid	$ 115,753	$ 98,913	$ 144,137