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Selected Financial Information (Parenthetical) (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Dec. 31, 2013 | Mar. 31, 2016 | Mar. 31, 2015 | Mar. 31, 2014
Quarterly Financial Information Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill impairment |  |  |  |  |  | $ (283,699) |  |  | $ (56,283) |  | $ (283,699) | [1] | $ (56,283)
Gain on asset dispositions, net | $ 6,692 | $ 5,883 | $ 6,111 | $ 7,351 | $ 10,704 | $ 4,699 | $ 4,500 | $ 3,893 |  | $ 26,037 | $ 23,796 |  | $ 21,063
[1] | The total carrying amount of goodwill at March 31, 2014 is net of accumulated impairment charges $30.9 million and $56.3 million related to the Middle East/North Africa and Asia/Pacific segments, respectively.

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