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Credit Facilities and Long-Term Debt, Revolving Credit Facility (Details) - USD ($) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Dec. 31, 2014
Line of Credit Facility [Line Items] |  |  |
Maximum borrowing capacity | $ 250.0 |  |
Expiration date | Mar. 31, 2018 |  |
Additional available borrowing capacity | $ 168.0 |  |
Increase in the amount of cash dividends that we may pay in any twelve month period | 5.0 |  |
Total cash available for dividends | 20.0 |  |
Increase the amount of cash that we may utilize to purchase or redeem our common stock in any fiscal year | 10.0 |  |
Total cash that we may utilize to purchase or redeem our common stock in any fiscal year | 20.0 |  |
General Electric Capital Corporation Credit Facility [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Outstanding borrowings under credit facility | $ 24.5 |  | $ 56.6
Weighted average interest rate | 2.40% |  | 1.80%
General Electric Capital Corporation Credit Facility [Member] | Maximum [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Conditions for required financial covenants, maximum borrowing availability | $ 25.0 |  |
General Electric Capital Corporation Credit Facility [Member] | Direct Borrowings [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Outstanding borrowings under credit facility | $ 16.0 |  | $ 53.0
Weighted average interest rate | 1.70% |  | 1.70%
General Electric Capital Corporation Credit Facility [Member] | Index Loan [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Outstanding borrowings under credit facility | $ 8.5 |  | $ 3.6
Weighted average interest rate | 3.80% |  | 3.80%
Average daily loan balance outstanding | $ 3.5 | $ 4.6 | $ 4.4
GE Canada Finance Holding Company Credit Facility [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Maximum borrowing capacity | 10.0 |  |
Outstanding borrowings under credit facility | $ 0.0 |  |

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- Definition Represents the amount of borrowing availability, below which the Company is subject to financial covenants under the revolving credit facility. + References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

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- Definition The increase (decrease) in cash dividends during the reporting period that might be paid within one year (or one business cycle). + References No definition available. + Details
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Balance Type: | credit
Period Type: | duration

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- Definition The increase (decrease) in the amount of cash that we may utilize to purchase or redeem our common stock in any fiscal year. + References No definition available. + Details
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Balance Type: | credit
Period Type: | duration

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- Definition Refers to the amount of cash available for dividends. + References No definition available. + Details
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Balance Type: | credit
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- Definition Refers to the total amount of cash that may utilize to purchase or redeem our common stock in any fiscal year . + References No definition available. + Details
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- Definition Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer. + 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 210.5-02.22) -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 20 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 + Details
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- Definition Average amount borrowed under the credit facility during the period. + References No definition available. + Details
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- Definition Date the credit facility terminates, in CCYY-MM-DD format. + 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 + Details
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- Definition The effective interest rate at the end of the reporting period. + 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 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + 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 + Details
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + 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 + Details
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