Recent Transactions (Details) $ / shares in Units, € in Millions, ₨ in Millions, $ in Millions				12 Months Ended
	Jan. 29, 2015 USD ($)	Jan. 29, 2015 INR (₨)	Feb. 28, 2014 USD ($)	Dec. 31, 2015 USD ($) $ / shares	Dec. 31, 2014 USD ($) $ / shares	Dec. 31, 2014 EUR (€)	Dec. 31, 2013 USD ($)	Nov. 10, 2015 USD ($) $ / shares
Business Acquisition [Line Items]
Net sales				$ 8,977.7	$ 9,487.4
Gain on previously held equity interest				10.8	0.0		$ 0.0
Payments for businesses acquired, net of cash acquired				1,199.6	110.5		0.0
Liabilities assumed from business acquired				31.1	3.2		0.0
Debt assumed from business acquired				10.9	40.3		0.0
Goodwill				1,757.7	1,205.7
Net earnings				$ 652.0	$ 653.9
Basic | $ / shares				$ 2.91	$ 2.88
Diluted | $ / shares				$ 2.89	$ 2.86
Gustav Wahler GmbH u. Co. KG and General Partner [Member]
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired			100.00%
Payments for businesses acquired, net of cash acquired					$ 110.5	€ 80.1
Liabilities assumed from business acquired			$ 3.2
Debt assumed from business acquired			40.3
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables			52.4
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory			46.8
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment			55.3
Goodwill			74.6
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles			42.7
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Assets and Liabilities			(47.4)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable			(70.4)
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net			154.0
Liabilities assumed from businesses acquired			3.2
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-term Debt			40.3
Business Acquisition, Goodwill, Nondeductible Amount			56.9
Remy International Inc. [Member]
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired								100.00%
Business Acquisition, Share Price | $ / shares								$ 29.50
Business Combination, Consideration Transferred, Other				$ 361.0
Payments for businesses acquired, net of cash acquired				1,187.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables								$ 224.4
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory								200.2
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment								196.6
Goodwill								584.7
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles								412.6
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Assets and Liabilities								(225.0)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable								(164.5)
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net								1,229.0
Liabilities assumed from businesses acquired								31.1
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-term Debt								10.9
BERU Diesel Start Systems Pvt. Ltd.
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired	51.00%
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage	100.00%
Gain on previously held equity interest				$ 10.8	0.0		$ 0.0
Noncash or Part Noncash Acquisition, Value of Liabilities Assumed	$ 4.6
Payments for businesses acquired, net of cash acquired	12.6	₨ 783.1
Business Acquisition, Goodwill, Nondeductible Amount	13.9
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets	16.0
Noncash or Part Noncash Acquisition, Value of Assets Acquired	$ 11.2
In-process research and development | Remy International Inc. [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles								3.8
Other Intangible Assets [Member] | Remy International Inc. [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles								0.1
Know-how [Member] | Gustav Wahler GmbH u. Co. KG and General Partner [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles			10.2
Patented Technology [Member] | Gustav Wahler GmbH u. Co. KG and General Partner [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles			4.1
Customer Relationships [Member] | Gustav Wahler GmbH u. Co. KG and General Partner [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles			24.9
Customer Relationships [Member] | Remy International Inc. [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles								303.3
Developed Technology Rights [Member] | Remy International Inc. [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles								46.4
Trade Names [Member] | Remy International Inc. [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles								$ 59.0
Trade Names [Member] | Gustav Wahler GmbH u. Co. KG and General Partner [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles			$ 3.5
Minimum [Member] | Gustav Wahler GmbH u. Co. KG and General Partner [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life				5 years
Minimum [Member] | Remy International Inc. [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life				5 years
Maximum [Member] | Gustav Wahler GmbH u. Co. KG and General Partner [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life				15 years
Maximum [Member] | Remy International Inc. [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life				15 years
Acquisition-related Costs [Member]
Business Acquisition [Line Items]
Net earnings					(23.2)
Fair Value Adjustment to Inventory [Member]
Business Acquisition [Line Items]
Net earnings					12.2
Interest Expense Adjustment [Member]
Business Acquisition [Line Items]
Net earnings					$ 3.0