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Property and Equipment (Tables) | 12 Months Ended
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Dec. 31, 2016
Property, Plant and Equipment [Abstract] |
Schedule of Property and Equipment | Property and equipment (which are carried at cost) as of 2016 and 2015 year end are as follows:
(Amounts in millions) |  | 2016 |  |  | 2015 |
Land |  | $ | 19.1 |  |  | $ | 19.7 |
Buildings and improvements |  |  | 309.4 |  |  |  | 297.9 |
Machinery, equipment and computer software |  |  | 809.6 |  |  |  | 780.3 |
Property and equipment – gross |  |  | 1,138.1 |  |  |  | 1,097.9 |
Accumulated depreciation and amortization |  |  | (712.9) |  |  |  | (684.4) |
Property and equipment – net |  | $ | 425.2 |  |  | $ | 413.5 |
Summary of Estimated Service Lives of Property and Equipment | The estimated service lives of property and equipment are principally as follows:
Buildings and improvements |  | 3 to 50 years
Machinery, equipment and computer software |  | 2 to 15 years
Summary of Cost and Accumulated Depreciation of Property and Equipment under Capital Leases | The cost and accumulated depreciation of property and equipment under capital leases as of 2016 and 2015 year end are as follows:
(Amounts in millions) |  | 2016 |  |  | 2015 |
Buildings and improvements |  | $ | 20.5 |  |  | $ | 20.1 |
Accumulated depreciation |  |  | (12.3) |  |  |  | (11.0) |
Net book value |  | $ | 8.2 |  |  | $ | 9.1 |

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: 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 Reference 2: 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)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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