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Segment Information (Summary Of Continuing Operations By Reportable Segment) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Segment Reporting Information [Line Items] |  |  |  |
Advertising | $ 218,582 | $ 210,724 | $ 753,040 | $ 762,320
Distribution | 429,441 | 423,922 | 1,325,717 | 1,263,737
Consolidated revenues, net | 648,023 | 634,646 | 2,078,757 | 2,026,057
Operating income | 153,354 | 117,137 | 560,815 | 553,828
Share-based compensation expense | 13,817 | 9,382 | 41,412 | 28,869
Restructuring expense | 1,264 | 19,312 | 3,887 | 19,666
Impairment and related charges | 11,036 | 0 | 28,148 | 0
Depreciation and amortization | 20,938 | 22,282 | 65,037 | 63,467
Adjusted operating income | 200,409 | 168,113 | 699,299 | 665,830
Capital expenditures |  |  | 61,794 | 44,505
National Networks [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Restructuring expense | (10) | 8,103 | (53) | 8,170
International And Other [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Restructuring expense | 1,274 | 11,209 | 3,940 | 11,496
Operating Segments [Member] | National Networks [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Advertising | 197,891 | 189,300 | 690,906 | 692,483
Distribution | 343,551 | 336,413 | 1,070,606 | 1,004,499
Consolidated revenues, net | 541,442 | 525,713 | 1,761,512 | 1,696,982
Operating income | 179,624 | 139,148 | 640,855 | 594,969
Share-based compensation expense | 11,598 | 7,212 | 33,717 | 22,581
Restructuring expense | (10) | 8,103 | (53) | 8,170
Impairment and related charges | 0 |  | 0 |
Depreciation and amortization | 8,482 | 8,040 | 25,315 | 24,062
Adjusted operating income | 199,694 | 162,503 | 699,834 | 649,782
Capital expenditures |  |  | 20,311 | 10,165
Operating Segments [Member] | International And Other [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Advertising | 20,691 | 21,424 | 62,134 | 69,837
Distribution | 92,069 | 92,596 | 268,267 | 271,511
Consolidated revenues, net | 112,760 | 114,020 | 330,401 | 341,348
Operating income | (18,782) | (16,668) | (69,222) | (33,071)
Share-based compensation expense | 2,219 | 2,170 | 7,695 | 6,288
Restructuring expense | 1,274 | 11,209 | 3,940 | 11,496
Impairment and related charges | 11,036 |  | 28,148 |
Depreciation and amortization | 12,456 | 14,242 | 39,722 | 39,405
Adjusted operating income | 8,203 | 10,953 | 10,283 | 24,118
Capital expenditures |  |  | 41,483 | 34,340
Intersegment Eliminations [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Advertising | 0 | 0 | 0 | 0
Distribution | (6,179) | (5,087) | (13,156) | (12,273)
Consolidated revenues, net | (6,179) | (5,087) | (13,156) | (12,273)
Operating income | (7,488) | (5,343) | (10,818) | (8,070)
Share-based compensation expense | 0 | 0 | 0 | 0
Restructuring expense | 0 | 0 | 0 | 0
Impairment and related charges | 0 |  | 0 |
Depreciation and amortization | 0 | 0 | 0 | 0
Adjusted operating income | (7,488) | (5,343) | (10,818) | (8,070)
Capital expenditures |  |  | 0 | 0
Intersegment Eliminations [Member] | National Networks [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Consolidated revenues, net | (6,179) | (5,079) | (13,045) | (12,015)
Intersegment Eliminations [Member] | International And Other [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Consolidated revenues, net | $ 0 | $ (8) | $ (111) | $ (258)

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