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v3.3.1.900

Debt (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 USD ($) lender | Dec. 31, 2014 USD ($)
Debt Instrument [Line Items] |  |
Number of participating lenders | lender | 5 |
Debt | $ 350,000,000 | $ 250,000,000
Senior notes due 2023 [Member] | Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Debt | $ 250,000,000 | 250,000,000
Interest rate | 5.30% |
Revolving credit agreement [Member] | Line of Credit [Member] |  |
Debt Instrument [Line Items] |  |
Debt | $ 100,000,000 | $ 0
Interest rate | 0.82% |
Current Revolving credit capacity | $ 250,000,000 |
Additional borrowing capacity | $ 50,000,000 |
Maximum allowable consolidated funded indebtedness ratio | 0.35 |
Minimum net worth required | $ 1,300,000,000 |
Revolving credit agreement [Member] | Line of Credit [Member] | Base Rate [Member] |  |
Debt Instrument [Line Items] |  |
Description of variable rate basis | base rate |
Revolving credit agreement [Member] | Line of Credit [Member] | Prime Rate [Member] |  |
Debt Instrument [Line Items] |  |
Description of variable rate basis | Prime rate |
Revolving credit agreement [Member] | Line of Credit [Member] | Federal Funds Rate [Member] |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate | 0.50% |
Description of variable rate basis | Federal Funds |
Revolving credit agreement [Member] | Line of Credit [Member] | One Month LIBOR [Member] |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate | 1.00% |
Description of variable rate basis | one month LIBOR |
Revolving credit agreement [Member] | Line of Credit [Member] | Minimum [Member] |  |
Debt Instrument [Line Items] |  |
Commitment fee percentages | 0.125% |
Basis spread on variable rate | 0.00% |
Revolving credit agreement [Member] | Line of Credit [Member] | Maximum [Member] |  |
Debt Instrument [Line Items] |  |
Commitment fee percentages | 0.25% |
Basis spread on variable rate | 1.63% |

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- Definition Debt Instrument, Restrictive Covenants, Maximum Allowable Consolidated Funded Indebtedness Ratio (Ratio is calculated as total debt, including contingent obligations, divided by total non-trade liabilities, plus consolidated shareholders' equity, exclusive of AOCI). + References No definition available. + Details
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- Definition Number of Participating Lenders + References No definition available. + Details
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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 The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. + References No definition available. + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + 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 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 Represents the aggregate of total long-term debt, including current maturities and short-term debt. + References No definition available. + Details
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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any 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 The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
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- Definition The lowest amount of net worth (total assets minus total liabilities) required by secondary market investors or state-imposed regulatory mandates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c)(a) -URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47080-110998 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47304-110998 + Details
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