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v2.3.0.11

Commitments and Contingencies (Details) | 0 Months Ended | 1 Months Ended | 3 Months Ended | 6 Months Ended |  | 3 Months Ended | 6 Months Ended |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2009 AUD | Apr. 30, 2010 AUD | Mar. 31, 2009 USD ($) | Jun. 30, 2011 USD ($) | Jun. 30, 2010 USD ($) | Mar. 31, 2010 USD ($) | Jun. 30, 2011 USD ($) | Jun. 30, 2010 USD ($) | Dec. 31, 2010 USD ($) | Jun. 30, 2011 Helix [Member] USD ($) | Jun. 30, 2010 Helix [Member] USD ($) | Jun. 30, 2011 Helix [Member] USD ($) | Jun. 30, 2010 Helix [Member] USD ($) | Dec. 31, 2010 Helix [Member] USD ($) | Mar. 31, 2011 Australian Subsidiary [Member] USD ($) | Dec. 31, 2010 Australian Subsidiary [Member] USD ($) | Jun. 30, 2011 Australian Subsidiary [Member] USD ($)
Approximate actual damages | 32,000,000 |  | $ 12,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Damage claims paid |  | 15,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Settlement of claims |  |  |  |  |  | 17,500,000 |  |  |  |  |  |  |  |  |  |  |
Payments for litigation settlements |  |  |  |  |  | 13,800,000 |  |  |  |  |  |  |  |  |  |  |
Remaining trade receivable write off |  |  |  |  |  | 3,700,000 |  |  |  |  |  |  |  |  |  |  |
Approximate pre-tax loss |  |  |  | 58,280,000 | (137,439,000) |  | 94,465,000 | (162,002,000) |  | 36,512,000 | (82,994,000) | 55,154,000 | (101,702,000) |  | 200,000 | 30,000,000 |
Accounts receivable, net |  |  |  | 212,406,000 |  |  | 212,406,000 |  | 177,293,000 | 54,325,000 |  | 54,325,000 |  | 61,846,000 |  |  | 6,700,000
Trade receivables collected |  |  |  |  |  |  | 303,000,000 |  |  |  |  |  |  |  |  |  |
Value added tax assessment |  |  |  |  |  |  | $ 28,000,000 |  |  |  |  |  |  |  |  |  |

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