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Debt and Financing Arrangements (Details) - USD ($) | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Jul. 31, 2015 | Dec. 31, 2014 | Oct. 01, 2014 | Sep. 27, 2013
Debt Instrument [Line Items] |  |  |  |  |  |
Amount outstanding | $ 178,125,000 | $ 225,625,000 |  |  |  |
Financial Liabilities: |  |  |  |  |  |
Effect of 1% increase on borrowing rate to interest expense | 300,000 |  | $ 300,000 |  |  |
Interest Rate Swap |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Amount of hedged item |  |  |  |  | $ 150,000,000 |
Interest rate of derivative |  |  |  |  | 1.89% |
Notional amount of derivative liability | 150,000,000 | 150,000,000 |  | $ 150,000,000 | $ 150,000,000 |
Derivative expense | 2,100,000 | 1,100,000 |  |  |  |
Interest Rate Swap | Level 2 |  |  |  |  |  |
Financial assets: |  |  |  |  |  |
Interest Rate Swap Asset | 0 | 0 |  | 0 |  |
Financial Liabilities: |  |  |  |  |  |
Interest Rate Swap Liability (Other Accrued Liabilities) | 1,841,970 | 2,947,438 |  | $ 1,475,702 |  |
Other, net |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Payments of financing charges | $ 3,500,000 | 3,300,000 |  |  |  |
LIBOR Rate |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate | 1.77% |  |  |  |  |
Term Loan and Revolving Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Extinguishment of debt amount | $ 47,500,000 | 32,500,000 |  |  |  |
Revolving Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Extinguishment of debt amount | 40,000,000 | $ 25,000,000 |  |  |  |
Credit Agreement |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Additional principal amount available (up to) |  |  |  |  |  | $ 75,000,000
Revolving Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Principal amount |  |  |  |  |  | 150,000,000
Amount outstanding | 60,700,000 |  |  |  |  |
Available borrowing capacity | 89,300,000 |  |  |  |  |
Term Loan |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Principal amount |  |  |  |  |  | 150,000,000
Amount outstanding | 125,600,000 |  |  |  |  |
Annual principal repayments amount | $ 7,500,000 |  |  |  |  |
Swing Loans |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Additional principal amount available (up to) |  |  |  |  |  | 20,000,000
Letters of Credit |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Additional principal amount available (up to) |  |  |  |  |  | $ 20,000,000

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