Long-Term Debt	3 Months Ended
Mar. 31, 2017
Debt Disclosure [Abstract]
Long-Term Debt	Long-Term Debt On June 28, 2016, we entered into a credit agreement governing a $125.0 million revolving credit facility, which expires on June 28, 2021. At March 31, 2017, we had $10.0 million in borrowings and no letters of credit outstanding under the facility, and our available borrowings under the facility were $115.0 million. At March 31, 2017, the fair value of our debt, which holds a floating interest rate of a short duration and is based on Level 2 valuation inputs, approximated the carrying value. The interest rate applicable to our initial borrowings is LIBOR plus a yield of 1.75%. Interest on the revolving credit facility is based on a base rate or Eurodollar rate plus an applicable margin that increases as our total leverage ratio increases, with the base rate margin ranging from 0.75% to 1.25% and the Eurodollar rate margin ranging from 1.75% to 2.25%. The revolving credit facility also carries a commitment fee of 0.25% to 0.50% per annum on the unused portion. Borrowings under the revolving credit facility are collateralized by substantially all of our assets. The credit agreement contains covenants and restrictions which, among other things, require the maintenance of certain financial ratios, including a total leverage ratio and an interest coverage ratio, and restrict dividend payments and the incurrence of certain indebtedness and other activities, including acquisitions and dispositions. We were in compliance with these covenants and restrictions as of March 31, 2017.

Long-Term Debt

3 Months Ended

Mar. 31, 2017

On June 28, 2016, we entered into a credit agreement governing a $125.0 million revolving credit facility, which expires on June 28, 2021. At March 31, 2017, we had $10.0 million in borrowings and no letters of credit outstanding under the facility, and our available borrowings under the facility were $115.0 million. At March 31, 2017, the fair value of our debt, which holds a floating interest rate of a short duration and is based on Level 2 valuation inputs, approximated the carrying value.

The interest rate applicable to our initial borrowings is LIBOR plus a yield of 1.75%. Interest on the revolving credit facility is based on a base rate or Eurodollar rate plus an applicable margin that increases as our total leverage ratio increases, with the base rate margin ranging from 0.75% to 1.25% and the Eurodollar rate margin ranging from 1.75% to 2.25%. The revolving credit facility also carries a commitment fee of 0.25% to 0.50% per annum on the unused portion.

Borrowings under the revolving credit facility are collateralized by substantially all of our assets. The credit agreement contains covenants and restrictions which, among other things, require the maintenance of certain financial ratios, including a total leverage ratio and an interest coverage ratio, and restrict dividend payments and the incurrence of certain indebtedness and other activities, including acquisitions and dispositions. We were in compliance with these covenants and restrictions as of March 31, 2017.