Fair Value Measurements (Fair Value Hierarchy For Assets And Liabilities Measured On Non-Recurring Basis) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Jun. 30, 2012
Schedule Of Fair Value Measurements [Line Items]
Goodwill	$ 180,533		$ 180,811
Long-lived assets	452,225		459,112
Total	632,758		639,923
Total losses recorded during the period presented	0	0
Fair Value, Assets And Liabilities Measured On Non-Recurring Basis, Gains (Losses) [Member] | Goodwill [Member]
Schedule Of Fair Value Measurements [Line Items]
Total losses recorded during the period presented	0	0
Fair Value, Assets And Liabilities Measured On Non-Recurring Basis, Gains (Losses) [Member] | Long-lived assets [Member]
Schedule Of Fair Value Measurements [Line Items]
Total losses recorded during the period presented	$ 0	$ 0