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Intangible Assets, net (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013
Intangible assets subject to amortization: |  |  |
Intangible assets subject to amortization, Gross Carrying Amount | $ 717.0 |  | $ 719.3
Intangible assets subject to amortization, Accumulated Amortization | (254.5) |  | (241.0)
Intangible assets |  |  |
Intangible assets, Gross Carrying Amount | 1,451.2 |  | 1,454.8
Amortization expense for intangible assets | 14.1 | 11.3 |
Changes in intangible assets due to foreign currency translation losses | 3.0 |  |
Summary of estimated aggregated amortization expense for the remaining nine months of 2014 and each of the succeeding five years |  |  |
2014 | 41.6 |  |
2015 | 53.6 |  |
2016 | 51.9 |  |
2017 | 47.4 |  |
2018 | 41.2 |  |
2019 | 40.5 |  |
Trade names |  |  |
Intangible assets not subject to amortization: |  |  |
Intangible assets not subject to amortization, Gross Carrying Amount | 734.2 |  | 735.5
Covenants not to compete |  |  |
Intangible assets subject to amortization: |  |  |
Intangible assets subject to amortization, Gross Carrying Amount | 8.0 |  | 8.0
Intangible assets subject to amortization, Accumulated Amortization | (7.3) |  | (7.3)
Loan fees |  |  |
Intangible assets subject to amortization: |  |  |
Intangible assets subject to amortization, Gross Carrying Amount | 41.5 |  | 41.5
Intangible assets subject to amortization, Accumulated Amortization | (24.9) |  | (24.1)
Customer lists/relationships |  |  |
Intangible assets subject to amortization: |  |  |
Intangible assets subject to amortization, Gross Carrying Amount | 652.0 |  | 654.3
Intangible assets subject to amortization, Accumulated Amortization | (212.6) |  | (200.6)
Software - internal use |  |  |
Intangible assets subject to amortization: |  |  |
Intangible assets subject to amortization, Gross Carrying Amount | 8.1 |  | 8.1
Intangible assets subject to amortization, Accumulated Amortization | (6.5) |  | (6.3)
Other |  |  |
Intangible assets subject to amortization: |  |  |
Intangible assets subject to amortization, Gross Carrying Amount | 7.4 |  | 7.4
Intangible assets subject to amortization, Accumulated Amortization | $ (3.2) |  | $ (2.7)

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- Definition The increase or decrease to the recorded value of intangible assets, excluding goodwill, for foreign currency translation adjustments. + References No definition available. + Details
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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