Financial Instruments - Additional Information (Details) shares in Thousands	6 Months Ended
	Jun. 30, 2018 USD ($) group_retirement_plan performance_agreement shares	Dec. 31, 2017 USD ($)
Financial Instruments [Line Items]
Maximum percentage of stock of certain first tier foreign subsidiaries pledged to secure senior credit facility	66.00%
Line of credit facility letters of credit outstanding	$ 29,000,000
Financial Instruments not redeemed and used for vendor payment	19,000,000	$ 11,000,000
Negotiable financial instruments received from OE customer not redeemed	21,000,000	10,000,000
Subsidiaries | CHINA
Financial Instruments [Line Items]
Restricted cash	1,000,000	2,000,000
Subsidiaries | SPAIN
Financial Instruments [Line Items]
Restricted cash	1,000,000	1,000,000
Subsidiaries | BRAZIL
Financial Instruments [Line Items]
Restricted cash	$ 0	1,000,000
TMEL and Walker Plans
Financial Instruments [Line Items]
Number of performance guarantee agreements | performance_agreement	2
Number of group benefit plans under the agreement | group_retirement_plan	2
Percentage of the pension obligation recognized for participating employers	100.00%
Foreign Exchange Forward Contracts
Financial Instruments [Line Items]
Term of foreign currency forward contracts (less than one year)	1 year
Net liability position	$ 1,000,000	1,000,000
Equity Swap
Financial Instruments [Line Items]
Common share equivalents | shares	250
Net asset position fair value	$ 2,000,000	$ 4,000,000