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v3.10.0.1

Recent Transactions (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Sep. 30, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Jan. 01, 2018 | Sep. 27, 2017 | Nov. 10, 2015
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Payments for businesses acquired, net of cash acquired |  |  |  |  | $ 0.0 | $ 185.7 | $ 0.0 |  |  |  |
Goodwill | $ 1,881.8 |  |  |  | 1,853.4 | 1,881.8 |  |  |  |  |
Proceeds from sale of businesses, net of cash divested |  |  |  |  | 0.0 | 0.0 | 85.8 |  |  |  |
Asset impairment and loss on divestiture |  |  |  |  | 25.6 | 71.0 | 127.1 |  |  |  |
Assets | 9,787.6 | $ 8,834.7 |  |  | 10,095.3 | 9,787.6 | $ 8,834.7 |  |  |  |
Inventories, net | 766.3 |  |  |  | 780.8 | $ 766.3 |  |  | $ 758.9 |  |
Sevcon, Inc [Member] |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Effective Date of Acquisition |  |  |  |  |  | Sep. 27, 2017 |  |  |  |  |
Business acquisition, percentage of voting interests acquired |  |  |  |  |  |  |  |  |  | 100.00% |
Payments for businesses acquired, net of cash acquired |  |  |  |  |  | $ 185.7 |  |  |  |  |
Business Combination, Consideration Transferred, Liabilities Incurred |  |  |  | $ 26.6 |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables |  |  |  |  |  |  |  |  |  | $ 15.9 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory |  |  |  |  |  |  |  |  |  | 16.7 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other |  |  |  |  |  |  |  |  |  | 2.8 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment |  |  |  |  |  |  |  |  |  | 7.3 |
Goodwill |  |  |  |  |  |  |  |  |  | 127.6 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  |  |  |  |  |  |  | 70.7 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent |  |  |  |  |  |  |  |  |  | (9.2) |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other |  |  |  |  |  |  |  |  |  | (0.7) |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Assets and Liabilities |  |  |  |  |  |  |  |  |  | (2.9) |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable |  |  |  |  |  |  |  |  |  | (24.5) |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net |  |  |  |  |  |  |  |  |  | 203.7 |
Liabilities assumed from businesses acquired |  |  |  |  |  |  |  |  |  | 18.0 |
Goodwill, Purchase Accounting Adjustments |  |  |  |  | (6.0) |  |  |  |  |  |
Business Combination, Consideration Transferred | $ 5.1 |  |  |  |  |  |  |  |  |  |
Remy International Inc. [Member] |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Business acquisition, percentage of voting interests acquired |  |  |  |  |  |  |  |  |  |  | 100.00%
Business Acquisition, Share Price |  |  |  |  |  |  |  |  |  |  | $ 29.50
Payments for businesses acquired, net of cash acquired |  |  |  |  |  |  |  | $ 1,187.0 |  |  |
Business Combination, Consideration Transferred, Liabilities Incurred |  |  |  |  | $ 361.0 |  |  |  |  |  |
Customer Relationships [Member] | Sevcon, Inc [Member] |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |  |  |  |  |  |  |  |  |  | 17.7 |
Developed Technology Rights [Member] | Sevcon, Inc [Member] |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |  |  |  |  |  |  |  |  |  | 48.8 |
Trade Names [Member] | Sevcon, Inc [Member] |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |  |  |  |  |  |  |  |  |  | $ 4.2 |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  |  |  |  |  | 7 years |  |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  |  |  |  |  | 20 years |  |  |  |  |
Divgi-Warner [Member] |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Parent Ownership of Interests Sold |  |  |  |  |  |  | 60.00% |  |  |  |
Proceeds from sale of businesses, net of cash divested |  |  |  |  |  |  | $ 5.4 |  |  |  |
Noncontrolling Interest, Decrease from Deconsolidation |  |  |  |  |  |  | 4.8 |  |  |  |
Remy light vehicle aftermarket business [Member] |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from Divestiture of Businesses |  |  |  |  |  |  | 80.0 |  |  |  |
Asset Impairment Charges |  |  | $ 106.5 |  |  |  |  |  |  |  |
Asset impairment and loss on divestiture |  | 20.6 |  |  |  |  | 127.1 |  |  |  |
Assets |  | 284.1 |  |  |  |  | 284.1 |  |  |  |
Inventories, net |  | 94.7 |  |  |  |  | 94.7 |  |  |  |
Accounts Receivable, Net, Current |  | 72.6 |  |  |  |  | 72.6 |  |  |  |
Liabilities |  | $ 93.2 |  |  |  |  | $ 93.2 |  |  |  |

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