Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive (Loss) by Component (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
AOCI Attributable to Parent [Roll Forward]
Beginning balance	$ 3,674,707
Other comprehensive loss before reclassifications	(69,555)	$ (83,520)
Amounts reclassified from accumulated other comprehensive loss	44,291	52,544
Other comprehensive income (loss), net of income taxes	(25,264)	(30,976)
Ending balance	3,014,080
Pension and Other Post-Retirement Benefits
AOCI Attributable to Parent [Roll Forward]
Beginning balance	(704,415)	(626,322)
Other comprehensive loss before reclassifications	0	0
Amounts reclassified from accumulated other comprehensive loss	24,479	16,689
Other comprehensive income (loss), net of income taxes	24,479	16,689
Ending balance	(679,936)	(732,159)
Pension and Other Post-Retirement Benefits | Cumulative Effect, Period of Adoption, Adjustment
AOCI Attributable to Parent [Roll Forward]
Beginning balance		(122,526)
Net Investment Hedge
AOCI Attributable to Parent [Roll Forward]
Beginning balance	(20,671)	(4,631)
Other comprehensive loss before reclassifications	(21,248)	(18,494)
Amounts reclassified from accumulated other comprehensive loss	8,456	1,154
Other comprehensive income (loss), net of income taxes	(12,792)	(17,340)
Ending balance	(33,463)	(21,971)
Net Investment Hedge | Cumulative Effect, Period of Adoption, Adjustment
AOCI Attributable to Parent [Roll Forward]
Beginning balance		0
Foreign Currency Translation
AOCI Attributable to Parent [Roll Forward]
Beginning balance	(416,222)	(484,125)
Other comprehensive loss before reclassifications	(48,307)	(65,026)
Amounts reclassified from accumulated other comprehensive loss	11,356	34,701
Other comprehensive income (loss), net of income taxes	(36,951)	(30,325)
Ending balance	(453,173)	(514,450)
Foreign Currency Translation | Grupo Auto Todo and EIS
AOCI Attributable to Parent [Roll Forward]
Amounts reclassified from accumulated other comprehensive loss		34,701
Foreign Currency Translation | Cumulative Effect, Period of Adoption, Adjustment
AOCI Attributable to Parent [Roll Forward]
Beginning balance		0
Total
AOCI Attributable to Parent [Roll Forward]
Beginning balance	(1,141,308)	(1,115,078)
Ending balance	$ (1,166,572)	(1,268,580)
Total | Cumulative Effect, Period of Adoption, Adjustment
AOCI Attributable to Parent [Roll Forward]
Beginning balance		$ (122,526)