Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 29, 2015
Operating Activities
Net Income	$ 11,093	$ 36,417
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Stock-based compensation	8,493	7,845
Pension credit, net of contributions	(5,993)	(7,303)
Depreciation	17,338	17,054
Amortization of contract intangible assets and liabilities	(4,003)	(3,461)
Amortization of other intangible assets	49,378	47,771
Income on equity investments, net	(38,252)	(36,934)
Distributions from equity investments	89,346	94,906
Amortization of debt issuance costs and original issue discount	2,786	3,330
Gain on investment transaction	0	(687)
Loss on sale of real estate	0	97
Other non-operating gain	(496)	0
Change in excess tax benefits from stock-based awards	0	402
Changes in working capital items, excluding effects from acquisitions:
Accounts receivable, net	33,210	25,802
Prepaid expenses and other current assets	2,775	(12,036)
Accounts payable	9,448	(5,343)
Employee compensation and benefits, accrued expenses and other current liabilities	(44,797)	(7,225)
Deferred revenue	(3,941)	(938)
Income taxes	14,406	(239,850)
Change in broadcast rights, net of liabilities	(46,949)	(11,259)
Deferred income taxes	1,722	172
Other, net	26,735	(3,066)
Net cash provided by (used in) operating activities	122,299	(94,306)
Investing Activities
Capital expenditures	(17,848)	(16,299)
Acquisitions	0	(109)
Transfers from restricted cash	4	0
Investments	(88)	(411)
Proceeds from sales of real estate and other assets	1,486	5,617
Net cash used in investing activities	(16,446)	(11,202)
Financing Activities
Repayments of long‑term debt	(6,960)	(1,067)
Long-term debt issuance costs	(622)	0
Payments of dividends	(23,215)	0
Common stock repurchases	(8,938)	(172,777)
Change in excess tax benefits from stock-based awards	0	(402)
Tax withholdings related to net share settlements of share-based awards	(4,126)	(3,618)
Proceeds from stock option exercises	0	19
Net cash used in financing activities	(43,861)	(177,845)
Net Increase (Decrease) in Cash and Cash Equivalents	61,992	(283,353)
Cash and cash equivalents, beginning of period	262,644	1,455,183
Cash and cash equivalents, end of period	324,636	1,171,830
Supplemental Schedule of Cash Flow Information
Interest	59,065	35,593
Income taxes, net	$ (3,613)	$ 261,914