XML 56 R43.htm IDEA: XBRL DOCUMENT v3.8.0.1
Debt (Narrative) (Details)
$ in Thousands
Sep. 30, 2017
USD ($)
Bank revolving credit facility  
Debt Instrument [Line Items]  
Available borrowings $ 122,393
Standby letters of credit  
Debt Instrument [Line Items]  
Amount of capacity $ 1,607