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Other Comprehensive Income (Loss) (Amounts Included in Accumulated Other Comprehensive Income (Loss)) (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Beginning balance |  |  | $ 108,413 | $ (43,001)
Amounts reclassified into earnings |  |  | (1,721) | 3,433
Changes in fair value |  |  | 13,860 | (806)
Foreign currency translation adjustment | $ 35,455 | $ 84,500 | (67,349) | 155,153
Ending balance | 53,203 | 114,779 | 53,203 | 114,779
Interest Rate Swap [Member] |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Beginning balance |  |  | 13,951 | 8,094
Amounts reclassified into earnings | 3,145 | 376 | 1,769 | 1,729
Changes in fair value | 634 | (361) | 11,634 | 224
Ending balance | 27,354 | 10,047 | 27,354 | 10,047
Foreign Currency Translation Adjustment [Member] |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Beginning balance |  |  | 91,555 | (50,931)
Foreign currency translation adjustment |  |  | (67,349) | 155,153
Ending balance | 24,206 | 104,222 | 24,206 | 104,222
Fuel [Member] | Commodity Contract [Member] |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Beginning balance |  |  | 2,907 | (164)
Amounts reclassified into earnings | (1,359) | 487 | (3,490) | 1,704
Changes in fair value | 222 | 1,680 | 2,226 | (1,030)
Ending balance | $ 1,643 | $ 510 | $ 1,643 | $ 510

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- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -Subparagraph (b,c) -URI http://asc.fasb.org/extlink&oid=64808268&loc=d3e32211-110900 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669646-108580 + Details
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