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v3.3.1.900

Borrowings (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Line of Credit Facility [Line Items] |  |  |
Interest income | $ 521 | $ 482 | $ 1,285
Interest expense | 2,011 | 1,227 | $ 3,425
Capitalized leases | $ 8,187 |  |
Revolving Credit Facility [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Credit Agreement initiation date | Oct. 10, 2014 |  |
Credit Agreement aggregate principal amount | $ 150,000 |  |
Credit Agreement term | 5 years |  |
Credit Agreement optional increase in aggregate principal amount | $ 75,000 |  |
Credit Agreement maturity date | Oct. 10, 2019 |  |
Credit Agreement maximum consolidated total leverage ratio | 3.00 |  |
Credit Agreement minimum interest coverage ratio | 3.50 |  |
Credit Agreement availability | $ 150,000 |  |
Credit Agreement maximum cash dividends in a fiscal year | 30,000 |  |
Credit Agreement outstanding balance | $ 0 | $ 0 |
Revolving Credit Facility [Member] | Federal Funds Open Rate [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Credit Agreement applicable margin | 0.50% |  |
Revolving Credit Facility [Member] | LIBOR Rate [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Credit Agreement applicable margin | 1.00% |  |
Senior Convertible Notes [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Interest rate |  | 5.50% | 5.50%
Minimum [Member] | Revolving Credit Facility [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Credit Agreement quarterly commitment fee percentage | 0.20% |  |
Minimum [Member] | Revolving Credit Facility [Member] | Leverage Ratio [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Credit Agreement applicable margin | 0.25% |  |
Minimum [Member] | Revolving Credit Facility [Member] | LIBOR Rate Plus Levarage Ratio [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Credit Agreement applicable margin | 1.25% |  |
Maximum [Member] | Revolving Credit Facility [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Credit Agreement quarterly commitment fee percentage | 0.25% |  |
Maximum [Member] | Revolving Credit Facility [Member] | Leverage Ratio [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Credit Agreement applicable margin | 0.50% |  |
Maximum [Member] | Revolving Credit Facility [Member] | LIBOR Rate Plus Levarage Ratio [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Credit Agreement applicable margin | 1.50% |  |

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- Definition Ratio of Consolidated EBITDA to cash interest expense. + References No definition available. + Details
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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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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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