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Intangible Assets (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Remaining Useful Life (in Years) | 14 years 11 months 26 days |  | 15 years 4 months 10 days
Gross Carrying Amount | $ 327,951,000 |  | $ 327,951,000
Accumulated Amortization | 23,060,000 |  | 17,412,000
Intangible assets amortization expense | 5,600,000 | 800,000 |
Customer Relationships |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Remaining Useful Life (in Years) | 15 years 0 months 14 days |  | 15 years 4 months 28 days
Gross Carrying Amount | 306,361,000 |  | 306,361,000
Accumulated Amortization | 21,604,000 |  | 16,509,000
Trademarks and Trade Names |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Remaining Useful Life (in Years) | 14 years 3 months 4 days |  | 14 years 8 months 16 days
Gross Carrying Amount | 21,370,000 |  | 21,370,000
Accumulated Amortization | 1,334,000 |  | 794,000
Other Intangible Assets |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Remaining Useful Life (in Years) | 2 years 10 months 24 days |  | 3 years
Gross Carrying Amount | 220,000 |  | 220,000
Accumulated Amortization | $ 122,000 |  | $ 109,000

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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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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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