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Long-Term Obligations Line of Credit Pricing (Details) | 12 Months Ended
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Dec. 31, 2017
Line of Credit Facility [Line Items] |
Debt Instrument, Interest Rate Terms | In general, borrowing under the Credit Facility (other than Swingline loans) bears interest, at our option, based on the Base Rate plus applicable margin or the London Interbank Offered Rate ("LIBOR") rate plus applicable margin, as defined below:
Pricing Level I [Member] |
Line of Credit Facility [Line Items] |
Line of Credit Facility, Commitment Fee Percentage | 0.15%
LIBOR Basis Spread on Variable Rate | 1.25%
Debt Instrument, Basis Spread on Variable Rate | 0.25%
Pricing Level II [Member] [Member] |
Line of Credit Facility [Line Items] |
Line of Credit Facility, Commitment Fee Percentage | 0.20%
LIBOR Basis Spread on Variable Rate | 1.50%
Debt Instrument, Basis Spread on Variable Rate | 0.50%
Pricing Level III [Member] [Member] |
Line of Credit Facility [Line Items] |
Line of Credit Facility, Commitment Fee Percentage | 0.25%
LIBOR Basis Spread on Variable Rate | 1.75%
Debt Instrument, Basis Spread on Variable Rate | 0.75%
Pricing Level IV [Member] [Member] |
Line of Credit Facility [Line Items] |
Line of Credit Facility, Commitment Fee Percentage | 0.30%
LIBOR Basis Spread on Variable Rate | 2.00%
Debt Instrument, Basis Spread on Variable Rate | 1.00%

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- Definition LIBOR Basis Spread on Variable Rate + References No definition available. + Details
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Period Type: | instant

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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets. + 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + 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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- Details
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- Details
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- Details
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- Details
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