Quarterly report pursuant to Section 13 or 15(d)

Debt and Credit Arrangements Schedule of Long-term debt (Details)

v3.7.0.1
Debt and Credit Arrangements Schedule of Long-term debt (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Debt Instrument [Line Items]    
Revolving credit facility $ 109,498 $ 140,000
Debt issuance costs (502) 0
Less: current portion of long-term debt 0 0
Total long-term debt 109,498 140,000
Revolving Credit Facility [Member] | Line of Credit [Member]    
Debt Instrument [Line Items]    
Revolving credit facility $ 110,000 $ 140,000