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Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Changes in the balances of each component of accumulated other comprehensive income |  |  |  |
Accumulated Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Foreign Currency Translation, Net of Tax, Beginning Balance |  |  | $ (137,613) | $ (118,532)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Portion Attributable to Parent |  |  | 8,600 | (3,913)
Other Comprehensive Income (Loss), Foreign Currency Translation Gain (Loss) Arising During Period, Tax |  |  | 0 | 0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax |  |  | 0 | 0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax |  |  | 8,600 | (3,913)
Accumulated Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Foreign Currency Translation, Net of Tax, Ending Balance | $ (129,013) | $ (122,445) | (129,013) | (122,445)
Accumulated Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Interest Rate Swaps, Net of Tax, Beginning Balance |  |  | (9,331) | (19,452)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax |  |  | (3,488) | (26,821)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax | 1,542 | 3,373 | 1,308 | 10,058
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax | (1,193) | (1,285) | 2,554 | 2,553
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax | (581) | (3,480) | 2,076 | (12,507)
Accumulated Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Interest Rate Swaps, Net of Tax, Ending Balance | (7,255) | (31,959) | (7,255) | (31,959)
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance |  |  | (146,944) | (137,984)
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent |  |  | 5,112 | (30,734)
Other Comprehensive Income (Loss) before Reclassifications, Tax |  |  | 1,308 | 10,058
Other Comprehensive Income (Loss), Tax |  |  | (2,554) | (2,553)
Other comprehensive income (loss), net of tax |  |  | 10,676 | (16,420)
Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance | $ (136,268) | $ (154,404) | (146,944) | (137,984)
Floorplan Interest Expense [Member] |  |  |  |
Changes in the balances of each component of accumulated other comprehensive income |  |  |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax |  |  | 0 | 0
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax |  |  | 5,656 | 5,623
Other Comprehensive Income (Loss), before Tax |  |  | 5,656 | 5,623
Interest Expense [Member] |  |  |  |
Changes in the balances of each component of accumulated other comprehensive income |  |  |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax |  |  | 0 | 0
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax |  |  | 1,154 | 1,186
Other Comprehensive Income (Loss), before Tax |  |  | $ 1,154 | $ 1,186

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