Description of Business and Significant Accounting Policies (Change in Accounting Estimate) (Details) (Change in Self-Insurance Reserve [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Sep. 30, 2014
Change in Accounting Estimate [Line Items]
Self insurance claims reserve adjustment	$ 37,416
Non-cash impact per diluted share (in dollars per share)	$ 0.33
Minimum [Member]
Change in Accounting Estimate [Line Items]
Estimated self-insurance claim close-out period	15 years
Maximum [Member]
Change in Accounting Estimate [Line Items]
Estimated self-insurance claim close-out period	17 years