Accrued Expenses (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Sep. 24, 2016
Payables and Accruals [Abstract]
Interest payable - cash	$ 2,781	$ 2,679
Interest payable - payment in kind	573	381
Asset retirement obligations	162	0
Accrued corporate cost expenses	2,403	1,914
Direct costs of sales	4,313	7,530
Other creditors	2,916	4,974
Accrued expenses, net	$ 13,148	$ 17,478