Pensions and Other Post-retirement Benefits (Tables)

6 Months Ended

Mar. 31, 2016

Pensions and Other Post-retirement Benefits

Schedule of components of Net Periodic Benefit Cost

	Three Months Ended March 31,						Six Months Ended March 31,
	2016			2015			2016			2015
	(in thousands)						(in thousands)
Interest cost	$	1,115		$	1,171		$	2,231		$	2,342
Expected return on plan assets	(1,490		)	(1,743		)	(2,980		)	(3,486		)
Recognized net actuarial loss	493			309			986			618
Settlement	1,454			—			1,454			—
Net pension expense (benefit)	$	1,572		$	(263	)	$	1,691		$	(526	)