Income Taxes - Deferred Tax Assets and Liabilities by Segment (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Income Tax [Line Items]
Noncurrent deferred tax asset	$ 75,015	$ 67,736
Valuation allowance	(18,622)	(11,443)
Noncurrent deferred tax liability	(90,495)	(90,012)
Net deferred tax liability	(34,102)	(33,719)
Net noncurrent deferred tax (liability) asset		13,159
Operating Segments | North America
Income Tax [Line Items]
Noncurrent deferred tax asset	39,685	38,140
Valuation allowance	(11,902)	(5,970)
Noncurrent deferred tax liability	(78,865)	(78,211)
Net deferred tax liability	(51,082)	(46,041)
Operating Segments | Europe & Africa
Income Tax [Line Items]
Noncurrent deferred tax asset	22,813	16,466
Valuation allowance	(3,547)	(1,427)
Noncurrent deferred tax liability	(3,823)	(4,447)
Net noncurrent deferred tax (liability) asset	15,443	10,592
Operating Segments | Australia & New Zealand
Income Tax [Line Items]
Noncurrent deferred tax asset	10,980	11,400
Valuation allowance	(3,173)	(4,046)
Noncurrent deferred tax liability	(7,807)	(7,354)
Net noncurrent deferred tax (liability) asset	0	0
Corporate
Income Tax [Line Items]
Noncurrent deferred tax asset	1,537	1,730
Valuation allowance	0	0
Noncurrent deferred tax liability	0	0
Net noncurrent deferred tax (liability) asset	$ 1,537	$ 1,730