Pension Plans and Other Postretirement Benefits (Tables)

9 Months Ended

Jun. 27, 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						Nine Months Ended
	June 27,			June 28,			June 27,			June 28,
	2015			2014			2015			2014
Interest cost	$	1,282		$	1,443		$	3,846		$	4,330
Expected return on plan assets		(1,228	)		(1,275	)		(3,685	)		(3,826	)
Amortization of net loss (gain)		1,131			1,123			3,392			3,369
Net periodic benefit cost	$	1,185		$	1,291		$	3,553		$	3,873

	Postretirement Benefits
	Three Months Ended						Nine Months Ended
	June 27,			June 28,			June 27,			June 28,
	2015			2014			2015			2014
Interest cost	$	144		$	161		$	431		$	484
Amortization of prior service costs		(122	)		(122	)		(367	)		(367	)
Amortization of net loss (gain)		(49	)		(46	)		(147	)		(137	)
Net periodic benefit cost	$	(27	)	$	(7	)	$	(83	)	$	(20	)