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Financing Arrangements	3 Months Ended
Financing Arrangements	Mar. 31, 2016
Debt Disclosure [Abstract]
Financing Arrangements	Financing Arrangements There have been no changes in our Credit Agreement and related documents with Bank of America, which we refer to as our Senior Credit Facility, from the disclosure in our 2015 Form 10-K. At March 31, 2016 and December 31, 2015 we were in compliance with all the covenants of the Senior Credit Facility. As of March 31, 2016, we had outstanding letters of credit in the amount of $0.3 million.