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Condensed Consolidating Financial Statements (Income Statement) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Condensed Income Statements, Captions [Line Items] |  |
Revenues, net | $ 720,189 | $ 706,579
Operating expenses |  |
Technical and operating (excluding depreciation and amortization) | 298,612 | 274,274
Selling, general and administrative | 163,709 | 153,901
Restructuring expense (credit) | 2,704 | (35)
Depreciation and amortization | 23,493 | 19,632
Total operating expenses | 488,518 | 447,772
Operating income | 231,671 | 258,807
Other income (expense) |  |
Interest expense, net | (27,007) | (31,029)
Share of affiliates' income | 0 | 0
Loss on extinguishment of debt | 0 | (48,334)
Miscellaneous, net | 11,049 | (837)
Nonoperating Income (Expense) | (15,958) | (80,200)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest | 215,713 | 178,607
Income tax expense | (73,082) | (58,543)
Net income including noncontrolling interests | 142,631 | 120,064
Net Income (Loss) Attributable to Noncontrolling Interest | (6,414) | (6,620)
Net Income (Loss) Attributable to Parent | 136,217 | 113,444
Consolidation, Eliminations [Member] |  |
Condensed Income Statements, Captions [Line Items] |  |
Revenues, net | (2,325) | (2,484)
Operating expenses |  |
Technical and operating (excluding depreciation and amortization) | (759) | (683)
Selling, general and administrative | (1,451) | (1,804)
Restructuring expense (credit) | 0 | 0
Depreciation and amortization | 0 | 0
Total operating expenses | (2,210) | (2,487)
Operating income | (115) | 3
Other income (expense) |  |
Interest expense, net | 0 | 0
Share of affiliates' income | (238,919) | (245,277)
Loss on extinguishment of debt |  | 0
Miscellaneous, net | 115 | (3)
Nonoperating Income (Expense) | (238,804) | (245,280)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest | (238,919) | (245,277)
Income tax expense | 0 | 0
Net income including noncontrolling interests | (238,919) | (245,277)
Net Income (Loss) Attributable to Noncontrolling Interest | 0 | 0
Net Income (Loss) Attributable to Parent | (238,919) | (245,277)
Parent Company [Member] |  |
Condensed Income Statements, Captions [Line Items] |  |
Revenues, net | 0 | 0
Operating expenses |  |
Technical and operating (excluding depreciation and amortization) | 0 | 0
Selling, general and administrative | 0 | 0
Restructuring expense (credit) | 0 | 0
Depreciation and amortization | 0 | 0
Total operating expenses | 0 | 0
Operating income | 0 | 0
Other income (expense) |  |
Interest expense, net | (29,412) | (30,572)
Share of affiliates' income | 235,774 | 246,047
Loss on extinguishment of debt |  | (48,334)
Miscellaneous, net | (112) | (79)
Nonoperating Income (Expense) | 206,250 | 167,062
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest | 206,250 | 167,062
Income tax expense | (70,033) | (53,618)
Net income including noncontrolling interests | 136,217 | 113,444
Net Income (Loss) Attributable to Noncontrolling Interest | 0 | 0
Net Income (Loss) Attributable to Parent | 136,217 | 113,444
Guarantor Subsidiaries [Member] |  |
Condensed Income Statements, Captions [Line Items] |  |
Revenues, net | 579,382 | 554,326
Operating expenses |  |
Technical and operating (excluding depreciation and amortization) | 221,754 | 190,110
Selling, general and administrative | 119,681 | 114,357
Restructuring expense (credit) | 2,704 | (70)
Depreciation and amortization | 10,204 | 10,075
Total operating expenses | 354,343 | 314,472
Operating income | 225,039 | 239,854
Other income (expense) |  |
Interest expense, net | 9,823 | 9,293
Share of affiliates' income | 3,145 | (770)
Loss on extinguishment of debt |  | 0
Miscellaneous, net | 431 | (21)
Nonoperating Income (Expense) | 13,399 | 8,502
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest | 238,438 | 248,356
Income tax expense | (2,664) | (2,309)
Net income including noncontrolling interests | 235,774 | 246,047
Net Income (Loss) Attributable to Noncontrolling Interest | 0 | 0
Net Income (Loss) Attributable to Parent | 235,774 | 246,047
Non-Guarantor Subsidiaries [Member] |  |
Condensed Income Statements, Captions [Line Items] |  |
Revenues, net | 143,132 | 154,737
Operating expenses |  |
Technical and operating (excluding depreciation and amortization) | 77,617 | 84,847
Selling, general and administrative | 45,479 | 41,348
Restructuring expense (credit) | 0 | 35
Depreciation and amortization | 13,289 | 9,557
Total operating expenses | 136,385 | 135,787
Operating income | 6,747 | 18,950
Other income (expense) |  |
Interest expense, net | (7,418) | (9,750)
Share of affiliates' income | 0 | 0
Loss on extinguishment of debt |  | 0
Miscellaneous, net | 10,615 | (734)
Nonoperating Income (Expense) | 3,197 | (10,484)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest | 9,944 | 8,466
Income tax expense | (385) | (2,616)
Net income including noncontrolling interests | 9,559 | 5,850
Net Income (Loss) Attributable to Noncontrolling Interest | (6,414) | (6,620)
Net Income (Loss) Attributable to Parent | $ 3,145 | $ (770)

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