|
Restatement Of Condensed Consolidated Financial Statements (Condensed Consolidated Statements Of Changes In Stockholders' Equity) (Detail) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
Sep. 30, 2012
As previously reported
|
Jun. 30, 2012
As previously reported
|
Mar. 31, 2012
As previously reported
|
Dec. 31, 2011
As previously reported
|
Sep. 30, 2011
As previously reported
|
Jun. 30, 2011
As previously reported
|
Mar. 31, 2011
As previously reported
|
Dec. 31, 2010
As previously reported
|
Dec. 31, 2008
As previously reported
|
Sep. 30, 2012
Adjustment
|
Jun. 30, 2012
Adjustment
|
Mar. 31, 2012
Adjustment
|
Dec. 31, 2011
Adjustment
|
Sep. 30, 2011
Adjustment
|
Jun. 30, 2011
Adjustment
|
Mar. 31, 2011
Adjustment
|
Dec. 31, 2010
Adjustment
|
Dec. 31, 2009
Adjustment
|
Sep. 30, 2012
Restated
|
Jun. 30, 2012
Restated
|
Mar. 31, 2012
Restated
|
Dec. 31, 2011
Restated
|
Sep. 30, 2011
Restated
|
Jun. 30, 2011
Restated
|
Mar. 31, 2011
Restated
|
Dec. 31, 2010
Restated
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Supplemental Financial Information [Line Items] | |||||||||||||||||||||||||||||
| Common Stock | $ 760 | $ 727 | $ 730 | $ 731 | $ 731 | $ 727 | $ 728 | $ 727 | $ 727 | $ 708 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 730 | $ 731 | $ 731 | $ 727 | $ 728 | $ 727 | $ 727 | $ 708 | |||
| Treasury Stock | (150) | (150) | (150) | (150) | (150) | (150) | (150) | (150) | (150) | (150) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | (150) | (150) | (150) | (150) | (150) | (150) | (150) | (150) | |||
| Additional Paid-in Capital | 1,372,378 | 1,369,471 | 1,371,389 | 1,371,059 | 1,370,335 | 1,369,471 | 1,368,864 | 1,368,202 | 1,367,509 | 1,343,639 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1,371,389 | 1,371,059 | 1,370,335 | 1,369,471 | 1,368,864 | 1,368,202 | 1,367,509 | 1,343,639 | |||
| Accumulated deficit | (1,584,222) | (1,220,984) | (1,189,620) | (1,225,389) | (1,137,700) | (1,197,884) | (728,602) | 120,133 | 123,466 | 125,500 | (23,100) | (23,100) | (23,100) | (23,100) | (20,864) | (20,864) | (20,864) | (20,864) | (1,212,720) | (1,248,489) | (1,160,800) | (1,220,984) | (749,466) | 99,269 | 102,602 | 104,636 | |||
| Accumulated other comprehensive income | 14,325 | 32,550 | 28,438 | 17,493 | 57,686 | 35,162 | 13,089 | 228,099 | 197,671 | 63,499 | (2,612) | (2,612) | (2,612) | (2,612) | (3,840) | 4,134 | 2,088 | 1,565 | 1,565 | 25,826 | 14,881 | 55,074 | 32,550 | 9,249 | 232,233 | 199,759 | 65,064 | ||
| Total | $ (196,909) | $ 181,614 | $ 1,513,897 | $ 210,787 | $ 163,744 | $ 290,902 | $ 207,326 | $ 653,929 | $ 1,717,011 | $ 1,689,223 | $ 1,533,196 | $ 1,685,162 | $ (25,712) | $ (25,712) | $ (25,712) | $ (25,712) | $ (24,704) | $ (16,730) | $ (18,776) | $ (19,299) | $ 185,075 | $ 138,032 | $ 265,190 | $ 181,614 | $ 629,225 | $ 1,700,281 | $ 1,670,447 | $ 1,513,897 |