v3.7.0.1

Business Combination Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Millions |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jun. 02, 2014 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Business Acquisition [Line Items] |  |  |  |  |
Fair value of consideration | $ 829.7 |  |  |  |
Assets acquired: |  |  |  |  |
Receivables | 120.2 |  |  |  |
Inventories | 40.1 |  |  |  |
Prepaid expenses and other current assets | 11.4 |  |  |  |
Property and equipment | 208.5 |  |  |  |
Amortizable intangible assets | 369.1 |  |  |  |
Other assets | 9.1 |  |  |  |
Total assets acquired | 758.4 |  |  |  |
Liabilities assumed: |  |  |  |  |
Accounts payable | 94.7 |  |  |  |
Accrued liabilities | 25.7 |  |  |  |
Deferred tax liabilities | 47.5 |  |  |  |
Short-term debt | 1.7 |  |  |  |
Other long-term liabilities | 20.7 |  |  |  |
Total liabilities assumed | 190.3 |  |  |  |
Net identifiable assets acquired, net of cash and cash equivalents | 568.1 |  |  |  |
Goodwill | 261.6 | $ 907.7 | $ 907.7 | $ 907.7 | $ 657.9
Inventories | 40.1 |  |  |  |
Property and equipment | 208.5 |  |  |  |
Amortizable intangible assets | 369.1 |  |  |  |
Machinery and Equipment [Member] | Minimum |  |  |  |  |
Liabilities assumed: |  |  |  |  |
Property and equipment, estimated useful lives |  | 1 year |  |  |
Machinery and Equipment [Member] | Maximum |  |  |  |  |
Liabilities assumed: |  |  |  |  |
Property and equipment, estimated useful lives |  | 20 years |  |  |
ASP Grede Intermediate Holdings LLC [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Fair value of consideration | 829.7 |  |  |  |
Assets acquired: |  |  |  |  |
Inventories | 40.1 |  |  |  |
Property and equipment | 208.5 |  |  |  |
Amortizable intangible assets | 369.1 |  |  |  |
Liabilities assumed: |  |  |  |  |
Inventories | 40.1 |  |  |  |
Property and equipment | 208.5 |  |  |  |
Amortizable intangible assets | 369.1 |  |  |  |
ASP Grede Intermediate Holdings LLC [Member] | Customer Relationships and Platforms [Member] |  |  |  |  |
Assets acquired: |  |  |  |  |
Amortizable intangible assets | 338.7 |  |  |  |
Liabilities assumed: |  |  |  |  |
Amortizable intangible assets | $ 338.7 |  |  |  |
Intangible assets, remaining useful life | 10 years | 10 years |  |  |
ASP Grede Intermediate Holdings LLC [Member] | Other: Trade Names [Member] |  |  |  |  |
Assets acquired: |  |  |  |  |
Amortizable intangible assets | $ 30.4 |  |  |  |
Liabilities assumed: |  |  |  |  |
Amortizable intangible assets | $ 30.4 |  |  |  |
Intangible assets, remaining useful life | 15 years | 15 years |  |  |
ASP Grede Intermediate Holdings LLC [Member] | Land [Member] |  |  |  |  |
Assets acquired: |  |  |  |  |
Property and equipment | $ 12.2 |  |  |  |
Liabilities assumed: |  |  |  |  |
Property and equipment | 12.2 |  |  |  |
ASP Grede Intermediate Holdings LLC [Member] | Building [Member] |  |  |  |  |
Assets acquired: |  |  |  |  |
Property and equipment | 31.8 |  |  |  |
Liabilities assumed: |  |  |  |  |
Property and equipment | $ 31.8 |  |  |  |
ASP Grede Intermediate Holdings LLC [Member] | Building [Member] | Minimum |  |  |  |  |
Liabilities assumed: |  |  |  |  |
Property and equipment, estimated useful lives | 5 years |  |  |  |
ASP Grede Intermediate Holdings LLC [Member] | Building [Member] | Maximum |  |  |  |  |
Liabilities assumed: |  |  |  |  |
Property and equipment, estimated useful lives | 29 years |  |  |  |
ASP Grede Intermediate Holdings LLC [Member] | Machinery and Equipment [Member] |  |  |  |  |
Assets acquired: |  |  |  |  |
Property and equipment | $ 148.8 |  |  |  |
Liabilities assumed: |  |  |  |  |
Property and equipment | $ 148.8 |  |  |  |
ASP Grede Intermediate Holdings LLC [Member] | Machinery and Equipment [Member] | Minimum |  |  |  |  |
Liabilities assumed: |  |  |  |  |
Property and equipment, estimated useful lives | 1 year |  |  |  |
ASP Grede Intermediate Holdings LLC [Member] | Machinery and Equipment [Member] | Maximum |  |  |  |  |
Liabilities assumed: |  |  |  |  |
Property and equipment, estimated useful lives | 20 years |  |  |  |
ASP Grede Intermediate Holdings LLC [Member] | Assets Not Yet Placed In Service [Member] |  |  |  |  |
Assets acquired: |  |  |  |  |
Property and equipment | $ 15.7 |  |  |  |
Liabilities assumed: |  |  |  |  |
Property and equipment | 15.7 |  |  |  |
Raw Materials [Member] | ASP Grede Intermediate Holdings LLC [Member] |  |  |  |  |
Assets acquired: |  |  |  |  |
Inventories | 11.9 |  |  |  |
Liabilities assumed: |  |  |  |  |
Inventories | 11.9 |  |  |  |
Work In Process [Member] | ASP Grede Intermediate Holdings LLC [Member] |  |  |  |  |
Assets acquired: |  |  |  |  |
Inventories | 12.6 |  |  |  |
Liabilities assumed: |  |  |  |  |
Inventories | 12.6 |  |  |  |
Finished Goods [Member] | ASP Grede Intermediate Holdings LLC [Member] |  |  |  |  |
Assets acquired: |  |  |  |  |
Inventories | 15.6 |  |  |  |
Liabilities assumed: |  |  |  |  |
Inventories | $ 15.6 |  |  |  |

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