Debt, Capital Lease Obligations and Other Financing - Schedule of Aggregate Scheduled Maturities of Obligations Under Capital Leases (Details) $ in Thousands	12 Months Ended
	Sep. 30, 2017 USD ($) option
Capital Leased Assets [Line Items]
2018	$ 3,934
2019	2,705
2020	1,648
2021	820
2022	651
Thereafter	21,143
Future minimum payments	30,901
Guadalajara, Mexico
Capital Leased Assets [Line Items]
2018	1,513
2019	1,550
2020	1,589
2021	1,629
2022	1,670
Thereafter	3,466
Future minimum payments	11,417
2025 through 2029 (first five-year renewal option)	9,451
2030 through 2034 (second five-year renewal option)	10,870
Total	$ 31,738
Base lease agreement term	10 years
Number of renewal options | option	2
Term of renewal options	5 years