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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2017
Accounting Policies [Abstract] |
Schedule of Inventory, Current | Inventories are stated at the lower of cost or market, determined by the first-in, first-out method and consist of the following:
| December 31,
(in millions) | 2017 |  | 2016
Finished goods | $ | 121.8 |  |  | $ | 130.1 |
Work-in-process | 11.5 |  |  | 10.7 |
Raw materials and supplies | 49.7 |  |  | 55.7 |
| $ | 183.0 |  |  | $ | 196.5 |
Schedule of Property, Plant and Equipment | Property, plant and equipment are carried at cost at acquisition date and are depreciated using the straight-line method over their estimated useful lives as follows:
| Estimated Useful Lives (in years)
Buildings | 25-30
Computer equipment and software | 3-5
Leasehold improvements | 4-7
Machinery and equipment | 3-7
Office furniture and fixtures | 5-7
The Company records depreciation and amortization in cost of sales for long-lived assets used in the manufacturing process, and within each line item of operating expenses for all other long-lived assets. Leasehold improvements are amortized over the shorter of the life of the lease or seven years. Assets under capital lease are included within property, plant and equipment and represent non-cash investing activities. Property, plant and equipment, net consisted of the following:
| December 31,
(in millions) | 2017 |  | 2016
Machinery and equipment | $ | 315.0 |  |  | $ | 283.9 |
Land and buildings | 316.2 |  |  | 302.6 |
Computer equipment and software | 114.0 |  |  | 97.2 |
Furniture and fixtures | 57.4 |  |  | 50.4 |
Construction in progress | 63.2 |  |  | 52.9 |
Total property, plant, and equipment | 865.8 |  |  | 787.0 |
Accumulated depreciation | (430.7 | ) |  | (364.8 | )
Total property, plant and equipment, net | $ | 435.1 |  |  | $ | 422.2 |
Changes in Accrued Sales Returns | The Company had the following activity for accrued sales returns from December 31, 2015 to December 31, 2017:
(in millions) |
Balance as of December 31, 2015 | $ | 28.5 |
Amounts accrued | 130.6 |
Returns charged to accrual | (128.8 | )
Balance as of December 31, 2016 | $ | 30.3 |
Amounts accrued | 102.1 |
Returns charged to accrual | (102.4 | )
Balance as of December 31, 2017 | $ | 30.0 |
Warranty Activity | The Company had the following activity for warranties from December 31, 2015 to December 31, 2017:
(in millions) |
Balance as of December 31, 2015 | $ | 29.6 |
Amounts accrued | 50.0 |
Warranties charged to accrual | (49.7 | )
Balance as of December 31, 2016 | $ | 29.9 |
Amounts accrued | 50.3 |
Warranties charged to accrual | (43.5 | )
Balance as of December 31, 2017 | $ | 36.7 |

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- Definition Tabular disclosure of the changes in the reserve for sales returns, including the beginning balance of the liability, the aggregate reductions in that liability for payments made (in cash or in kind) , and the aggregate changes in the liability for accruals related to product returns issued during the reporting period. + References No definition available. + Details
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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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- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + 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(6)(b)) -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 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 Reference 4: 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(6)(c)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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