Commitments and Contingencies - Warranty Account Activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Movement in Product Warranty Accrual [Roll Forward]
Beginning balance	$ 60,443	$ 34,862	$ 43,302
Assumed liabilities from acquisition	0	12,946	0
New product warranties	5,202	3,772	7,849
Other adjustments and expirations, net	15,695	22,741	(393)
Claims activity	(27,916)	(12,753)	(18,094)
Effect of change in exchange rates	(183)	(1,125)	2,198
Ending balance	53,241	60,443	34,862
Less: current portion of warranty	38,509	47,205	21,150
Long-term warranty	14,732	13,238	13,712
Total warranty expense (benefit)	17,975	26,513	(2,054)
Loss Contingencies [Line Items]
Other adjustments due to replacement of certain gas meters	$ 15,695	22,741	$ (393)
Device Solutions [Member]
Movement in Product Warranty Accrual [Roll Forward]
Other adjustments and expirations, net		11,400
Loss Contingencies [Line Items]
Other adjustments due to replacement of certain gas meters		$ 11,400