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Debt (Schedule Of Debt) (Details) - USD ($) $ in Thousands | Mar. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2013
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |
Unamortized debt issuance costs | $ (3,486) | $ (3,813) |
Capitalized lease obligations | 4,226 | 3,869 |
Other | 40 | 44 |
Total debt | 311,405 | 315,100 |
Less: current maturities | 17,447 | 17,541 |
Total long-term debt | 293,958 | 297,559 |
2013 Term Loan |  |  |
Debt Instrument [Line Items] |  |  |
Term Loan | $ 310,625 | $ 315,000 | $ 350,000

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- Definition Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 + Details
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