Retirement Benefits (Tables)

6 Months Ended

Dec. 31, 2014

Compensation and Retirement Disclosure [Abstract]

Components of Net Periodic Benefit Cost

The following table presents the components of net periodic benefit cost for the three and six months ended December 31, 2014 and 2013:

	Three Months Ended December 31,						Six Months Ended December 31,
	2014			2013			2014			2013
Service cost	$	1,004		$	634		$	2,027		$	1,244
Interest cost		1,660			1,807			3,384			3,583
Expected return on plan assets		(63	)		(64	)		(129	)		(126	)
Amortization of prior service cost		244			253			487			500
Amortization of net loss		981			760			1,929			1,514
Settlement		286			0			391			0
Net periodic benefit cost	$	4,112		$	3,390		$	8,089		$	6,715