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Supplemental Financial Statement Information | 12 Months Ended
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Dec. 31, 2013
Additional Financial Information Disclosure [Abstract] |
Supplemental Financial Statement Information | Supplemental Financial Statement Information Cash and cash equivalents at December 31, 2013 and 2012 were as follows:
(in millions) |  | 2013 |  | 2012
Cash |  | $ | 1,025.2 |  |  | $ | 222.8 |
Other short-term investments |  | 1.6 |  |  | 81.8 |
Total cash and cash equivalents |  | $ | 1,026.8 |  |  | $ | 304.6 |
Accounts receivable are presented net of a reserve for doubtful accounts of $5.3 million at December 31, 2013, and $5.5 million at December 31, 2012. During 2013, the Company recognized expense of $1.1 million to increase the reserve for doubtful accounts and wrote off $0.8 million of uncollectible accounts, which decreased the reserve. Additionally, the reserve for doubtful accounts in 2013 decreased $0.5 million as a result of the sale of the tungsten materials business. During 2012, the Company recognized expense of $1.0 million to increase the reserve for doubtful accounts and wrote off $1.4 million of uncollectible accounts, which decreased the reserve. During 2011, the Company recognized expense of $2.1 million to increase the reserve for doubtful accounts and wrote off $2.7 million of uncollectible accounts, which decreased the reserve. Additionally, the 2011 year end reserve for doubtful accounts included $0.9 million from the Ladish Co., Inc. acquisition. Other intangible assets, which are included in Other assets on the accompanying consolidated balance sheets as of December 31, 2013 and 2012 were as follows:
|  |  |  | December 31, 2013 |  | December 31, 2012
(in millions) |  | Useful life (years) |  | Gross carrying amount |  | Accumulated amortization |  | Gross carrying amount |  | Accumulated amortization
Technology |  | 20 |  | $ | 74.0 |  |  | $ | (9.9 | ) |  | $ | 74.0 |  |  | $ | (6.2 | )
Customer relationships |  | 25 |  | 31.0 |  |  | (3.3 | ) |  | 31.0 |  |  | (2.0 | )
Total amortizable intangible assets |  |  |  | 105.0 |  |  | (13.2 | ) |  | 105.0 |  |  | (8.2 | )
Indefinite-lived trademarks |  |  |  | 61.0 |  |  | — |  |  | 61.0 |  |  | — |
Total intangible assets |  |  |  | $ | 166.0 |  |  | $ | (13.2 | ) |  | $ | 166.0 |  |  | $ | (8.2 | )
Amortization expense from continuing operations related to intangible assets was approximately $5 million for the years ended December 31, 2013 and 2012. For each of the years ending December 31, 2014 through 2018, annual amortization expense is expected to be $9.1 million, which includes the impact of the Company’s change in estimate of the period of future benefit of trademark intangible assets from indefinite life to a 15 year useful life beginning in 2014. No impairment of indefinite-lived intangible assets was determined to exist for the years ended December 31, 2013 or 2012. Accrued liabilities included salaries, wages and other payroll-related liabilities of $52.7 million and $79.3 million at December 31, 2013 and 2012, respectively. Other income (expense) from continuing operations for the years ended December 31, 2013, 2012, and 2011 was as follows:
(in millions) |  | 2013 |  | 2012 |  | 2011
Rent, royalty income and other income |  | $ | 0.9 |  |  | $ | 0.7 |  |  | $ | 1.3 |
Losses on insured events |  | — |  |  | — |  |  | (0.2 | )
Net gains (losses) on property and investments |  | 0.7 |  |  | (0.7 | ) |  | (0.3 | )
Other |  | 0.1 |  |  | — |  |  | (0.2 | )
Total other income, net |  | $ | 1.7 |  |  | $ | — |  |  | $ | 0.6 |

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