Retirement Benefits (Narrative) (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Jun. 30, 2015	Jun. 30, 2014
Value of Company Stock Contributed to Defined Contribution Benefit Plans	$ 12,574	$ 11,193	$ 12,574	$ 11,193
Treasury Stock Issued During Period, Shares, Employee Benefit Plans	259	260
Business Acquisition, Acquiree - Duarte Business [Member]
Pension and Other Postretirement Defined Benefit Plans Liabilities			80
Treasury Stock at Cost [Member]
Value of Company Stock Contributed to Defined Contribution Benefit Plans			$ 8,084	$ 8,356
Treasury Stock Issued During Period, Shares, Employee Benefit Plans			259	260