Recent Transactions (Details) $ / shares in Units, ₨ in Millions			3 Months Ended		12 Months Ended
	Jan. 29, 2015 USD ($)	Jan. 29, 2015 INR (₨)	Mar. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)	Nov. 10, 2015 USD ($) number_of_countries	Jul. 13, 2015 $ / shares
Business Acquisition [Line Items]
Sales Revenue, Goods, Net			$ 2,268,600,000	$ 1,984,200,000
Aggregated estimated fair value of assets acquired and liabilities assumed
Goodwill			1,774,200,000		$ 1,757,700,000
Cash paid, net of cash acquired			0	12,600,000
Gain on previously held equity interest			0	10,800,000
Remy International Inc.
Business Acquisition [Line Items]
Business acquisition, share price | $ / shares							$ 29.50
Business Combination, Consideration Transferred, Other					361,000,000
Number of countries in which entity operates | number_of_countries						10
Equity interest acquired						100.00%
Aggregated estimated fair value of assets acquired and liabilities assumed
Receivables, net						$ 224,400,000
Inventories, net						200,200,000
Property, plant and equipment, net						196,600,000
Goodwill						584,700,000
Other intangible assets, net of tax						412,600,000
Other assets and liabilities						(225,000,000)
Accounts payable and accrued expenses						(164,500,000)
Total consideration, net of cash acquired						1,229,000,000
Less: Assumed retirement-related liabilities						31,100,000
Less: Assumed debt						10,900,000
Cash paid, net of cash acquired					$ 1,187,000,000
Remy International Inc. | In Process Research and Development [Member]
Aggregated estimated fair value of assets acquired and liabilities assumed
Other intangible assets, net of tax						3,800,000
Remy International Inc. | Customer Relationships
Aggregated estimated fair value of assets acquired and liabilities assumed
Other intangible assets, net of tax						303,300,000
Remy International Inc. | Developed Technology Rights [Member]
Aggregated estimated fair value of assets acquired and liabilities assumed
Other intangible assets, net of tax						46,400,000
Remy International Inc. | Trade Names
Aggregated estimated fair value of assets acquired and liabilities assumed
Other intangible assets, net of tax						59,000,000
Remy International Inc. | Other Intangible Assets [Member]
Aggregated estimated fair value of assets acquired and liabilities assumed
Other intangible assets, net of tax						$ 100,000
BERU Diesel Start Systems Pvt. Ltd.
Business Acquisition [Line Items]
Equity interest acquired	51.00%
Equity interest acquired, step acquisition	100.00%
Aggregated estimated fair value of assets acquired and liabilities assumed
Cash paid, net of cash acquired	$ 12,600,000	₨ 783.1
Gain on previously held equity interest			$ 0	$ 10,800,000
Assets acquired	16,000,000
Definite-lived intangible assets	11,200,000
Assumed liabilities	4,600,000
Nondeductible amount of goodwill	$ 13,900,000
Minimum | Remy International Inc.
Aggregated estimated fair value of assets acquired and liabilities assumed
Weighted average useful life					5 years
Maximum | Remy International Inc.
Aggregated estimated fair value of assets acquired and liabilities assumed
Weighted average useful life					15 years