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Property and Equipment | 12 Months Ended
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Dec. 31, 2016
Property Plant And Equipment [Abstract] |
Property and Equipment | (8) Property and Equipment The carrying amount, accumulated depreciation and useful lives of property and equipment as of December 31 were as follows:
|  | Estimated Useful Lives |  |  | 2016 |  |  |  | 2015 |
|  |  |  | (In millions) |
Land and land improvements |  | 1 - 30 |  | $ | 28.5 |  |  |  | 26.8 |
Buildings and improvements |  | 1 - 30 |  |  | 127.7 |  |  |  | 103.7 |
Machinery and equipment |  | 1 - 20 |  |  | 1,084.8 |  |  |  | 930.1 |
Assets not yet placed in service |  |  |  |  | 144.6 |  |  |  | 145.0 |
|  |  |  |  | 1,385.6 |  |  |  | 1,205.6 |
Accumulated depreciation |  |  |  |  | (554.0 | ) |  |  | (419.6 | )
Property and equipment, net |  |  |  | $ | 831.6 |  |  |  | 786.0 |
Property and equipment are depreciated on a straight-line basis. Depreciation expense was $151.4 million for 2016 $159.4 million for 2015, and $155.0 million for 2014. Included in property and equipment are gross carrying values for assets under capital lease of $2.7 million and $13.8 mllion as of December 31, 2016 and 2015, respectively; related accumulated depreciation was $0.6 million and $9.0 million as of December 31, 2016 and 2015, respectively. In June 2015, the Company announced plans to close its Berlin, Wisconsin facility included within the Grede segment. In conjunction with this announcement, the Company recorded a $4.0 million asset impairment charge within cost of sales to reduce the carrying value of Berlin’s assets to their estimated fair value based on level 3 valuation inputs. The closure, which is primarily a result of the industrial market slowdown, was completed in fiscal 2015. In May 2016, the Company announced plans to close its Bessemer, Alabama facility included within the Grede segment. The closure, which is primarily due to declines in heavy truck and industrial equipment markets, was completed in fiscal 2016. In conjunction with this announcement, the Company recorded a $2.3 million asset impairment charge within cost of sales to reduce the carrying value of Bessemer’s assets to their estimated fair value based on level 3 valuation inputs.

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- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13-14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=64827811&loc=d3e1361-107760 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64862545&loc=d3e2921-110230 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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