Contingent Liabilities and Commitments (Lease commitments for leases having terms of more than one year) (Details) $ in Thousands	Sep. 30, 2015 USD ($)
Year-ended September 30:
2016	$ 34,154
2017	27,186
2018	24,729
2019	19,140
2020	13,658
Thereafter	53,990
Total	172,857
Property, Plant and Equipment [Member]
Year-ended September 30:
2016	15,321
2017	15,044
2018	14,307
2019	13,765
2020	13,658
Thereafter	53,990
Total	126,085
Rental Equipment [Member]
Year-ended September 30:
2016	18,833
2017	12,142
2018	10,422
2019	$ 5,375
2020
Thereafter
Total	$ 46,772