Retirement Plans Retirement Plans (Tables)

12 Months Ended

Sep. 30, 2016

Pension and Other Postretirement Benefit Expense [Abstract]

Schedule of Costs of Retirement Plans

Retirement plan expenses, which are included in cost of products, cost of services, R&D, S&M and G&A expense in our consolidated statements of operations, were as follows (in thousands):

	Fiscal Year Ended
	September 30, 2016		September 25, 2015		September 26, 2014
Retirement plan expenses	$	20,471	$	19,431	$	17,369