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Consolidated Statement of Changes in Shareholders' Deficit (USD $) In Thousands, unless otherwise specified | Total USD ($) | Noncontrolling Interest [Member] USD ($) | Common Shares Issued [Member] USD ($) | Additional Paid-In Capital [Member] USD ($) | Retained Deficit [Member] USD ($) | Accumulated Other Comprehensive Income (Loss) [Member] USD ($) | Treasury Stock [Member] USD ($) | Common Class C [Member] | Common Class B [Member] | Common Shares Issued [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balances at Dec. 31, 2009 | $ (6,844,738) | $ 455,648 | $ 82 | $ 2,109,110 | $ (9,076,084) | $ (333,309) | $ (185) |  |  |
Balances at Dec. 31, 2009 |  |  |  |  |  |  |  | 58,967,502 | 555,556 | 23,428,807
Increase Decrease In Stockholders Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |
Shares issued through stock purchase agreement |  |  |  |  |  |  |  |  |  | 706,215
Issuance (forfeiture) of restricted stock |  |  |  |  |  |  |  |  |  | (16,664)
Net income (loss) | (462,853) | 16,236 |  |  | (479,089) |  |  |  |  |
Shares issued through stock purchase agreement | 5,000 |  | 1 | 4,999 |  |  |  |  |  |
Issuance (forfeiture) of restricted stock | (1,116) | 792 |  | 478 |  |  | (2,386) |  |  |
Amortization of share-based compensation | 34,246 | 12,046 |  | 22,200 |  |  |  |  |  |
Other | (8,575) | (2,659) |  | (5,916) |  |  |  |  |  |
Other comprehensive income | 73,350 | 8,857 |  |  |  | 64,493 |  |  |  |
Balances at Dec. 31, 2010 | (7,204,686) | 490,920 | 83 | 2,130,871 | (9,555,173) | (268,816) | (2,571) |  |  |
Balances at Dec. 31, 2010 |  |  |  |  |  |  |  | 58,967,502 | 555,556 | 24,118,358
Increase Decrease In Stockholders Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |
Issuance (forfeiture) of restricted stock |  |  |  |  |  |  |  |  |  | (12,219)
Net income (loss) | (268,029) | 34,065 |  |  | (302,094) |  |  |  |  |
Issuance (forfeiture) of restricted stock | 430 | 735 |  |  |  |  | (305) |  |  |
Amortization of share-based compensation | 20,667 | 10,705 |  | 9,962 |  |  |  |  |  |
Purchases of additional noncontrolling interest | (20,514) | (14,428) |  | (5,492) |  | (594) |  |  |  |
Other | (7,500) | (4,527) |  | (2,973) |  |  |  |  |  |
Other comprehensive income | 7,691 | 4,324 |  |  |  | 3,367 |  |  |  |
Balances at Dec. 31, 2011 | (7,471,941) | 521,794 | 83 | 2,132,368 | (9,857,267) | (266,043) | (2,876) |  |  |
Balances at Dec. 31, 2011 |  |  |  |  |  |  |  | 58,967,502 | 555,556 | 24,106,139
Increase Decrease In Stockholders Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |
Issuance (forfeiture) of restricted stock |  |  |  |  |  |  |  |  |  | 3,543,238
Net income (loss) | (411,190) | 13,289 |  |  | (424,479) |  |  |  |  |
Issuance (forfeiture) of restricted stock | 3,091 | 6,381 | 4 | (4) |  |  | (3,290) |  |  |
Amortization of share-based compensation | 28,540 | 10,589 |  | 17,951 |  |  |  |  |  |
Purchases of additional noncontrolling interest | 28 | 28 |  |  |  |  |  |  |  |
Dividend declared and paid ($6.0832/share) | (244,734) | (244,734) |  |  |  |  |  |  |  |
Other | (17,622) | (9,228) |  | (8,394) |  |  |  |  |  |
Other comprehensive income | 118,637 | 5,878 |  |  |  | 112,759 |  |  |  |
Balances at Dec. 31, 2012 | $ (7,995,191) | $ 303,997 | $ 87 | $ 2,141,921 | $ (10,281,746) | $ (153,284) | $ (6,166) |  |  |
Balances at Dec. 31, 2012 |  |  |  |  |  |  |  | 58,967,502 | 555,556 | 27,649,377

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