Pension Plans and Other Postretirement Benefits (Tables)

3 Months Ended

Dec. 26, 2015

Defined Benefit Pension Plans And Defined Benefit Postretirement Plans Disclosure [Abstract]

Components of Net Periodic Benefit Costs

The following table provides the components of net periodic benefit costs:

	Pension Benefits
	Three Months Ended
	December 26,			December 27,
	2015			2014
Interest cost	$	1,260		$	1,282
Expected return on plan assets		(854	)		(1,228	)
Amortization of net loss (gain)		1,134			1,130
Net periodic benefit cost	$	1,540		$	1,184

	Postretirement Benefits
	Three Months Ended
	December 26,			December 27,
	2015			2014
Interest cost	$	130		$	144
Amortization of prior service credits		(100	)		(122	)
Amortization of net loss (gain)		(75	)		(49	)
Net periodic benefit cost	$	(45	)	$	(27	)