Retirement Benefits (Tables)

3 Months Ended

Sep. 30, 2012

Components Of Net Periodic Benefit Cost

The following table presents the components of net periodic benefit cost for the three months ended September 30, 2012 and 2011:

	Three Months Ended September 30,
	2012			2011
Service cost	$	530		$	415
Interest cost		1,749			2,025
Expected return on plan assets		(72	)		(61	)
Amortization of prior service cost		293			352
Amortization of net loss		967			448
Net periodic benefit cost	$	3,467		$	3,179