Fair Value Measurements (Tables)

12 Months Ended

Sep. 30, 2017

Fair Value Disclosures [Abstract]

Schedule of fair value measurements recurring and nonrecurring

For each period, derivative financial instrument assets and liabilities measured at fair value on a recurring basis are included in the financial statements as per the table below.

			September 30,		September 24,
	Level		2017		2016
Earnout liability (see Note 13)		3	$	16,728	$	—
Derivative liability (see Note 14)		2	$	964	$	—
Long term receivable (included in other assets)		2	$	3,235	$	—
Foreign exchange contract liability (included in other current liabilities)		2	$	74	$	12