XML 54 R40.htm IDEA: XBRL DOCUMENT v3.19.2
Lease Obligations - Summary of the lease terms and discount rates (Details)
Jun. 30, 2019
Lease, Cost [Abstract]  
Weighted-average remaining lease term - finance leases 1 year 10 months 20 days
Weighted-average remaining lease term - operating leases 4 years 6 months 14 days
Weighted-average discount rate - finance leases 2.50%
Weighted-average discount rate - operating leases 3.80%