Credit Arrangements (Notes)

9 Months Ended

Sep. 30, 2016

Debt Disclosure [Abstract]

Credit Arrangements

Credit Arrangements

In March 2016, we increased our single-bank revolving credit facility from $75.0 million to $100.0 million. We had an outstanding principal balance of $60.0 million at an interest rate of LIBOR plus 100 basis points as of September 30, 2016, leaving borrowing availability of $40.0 million.