Stock-Based Compensation (Changes in Restricted Stock Awards) (Details) - Restricted Stock Award [Member] - $ / shares shares in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Dec. 31, 2013	Jun. 30, 2015
Number of shares, beginning balance	24		24
Weighted-Average Grant Date Fair Value Per Share, beginning balance	$ 39.43		$ 39.43
Shares granted, Number of Shares	0	24	0
Shares vested, Number of Shares	0		0
Shares forfeited, Number of Shares	0		0
Number of shares, ending balance	24		24
Weighted-Average Grant Date Fair Value Per Share, ending balance	$ 39.43		$ 39.43