Long-Term Borrowing (Details) - Secured term loan facility - USD ($) $ in Millions	2 Months Ended	9 Months Ended	12 Months Ended
	Dec. 12, 2016	Sep. 30, 2016	Jun. 27, 2017
Debt Instrument [Line Items]
Borrowed amount		$ 25.0
Transaction costs		$ 1.1
Interest rate (as a percent)		10.45%
Exit fee percent		8.25%
Prior to net income milestones met, required minimum cash and cash equivalents percent of outstanding principal amount		75.00%
Debt Instrument Covenant, Threshold Days Outstanding, Accounts Payable Amount Added to Principal Balance		150 days
After net income milestones met, required minimum cash and cash equivalents percent of outstanding principal amount		50.00%
Percent of securities in foreign subsidiaries guaranteed to secure debt		65.00%
Fair value		$ 23.5
Maximum
Debt Instrument [Line Items]
Loan Amount		$ 40.0
Scenario, Forecast [Member]
Debt Instrument [Line Items]
Additional borrowing amount, subject to satisfying certain conditions	$ 5.0		$ 10.0