Income Tax Provisions Computed using Statutory U.S. Federal Rate (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Reconciliation of Statutory Federal Tax Rate [Line Items]
IncomeTax atStatutoryRate	$ 57,739	$ 84,289	$ 175,617
Lower Rates on Foreign Operations	(33,395)	(27,480)	(22,413)
State Income Taxes	7,854	8,930	17,188
Stock Options	817	838	481
Nondeductible Goodwill	12,876	8,206	0
Tax Credits and Other	(6,664)	(3,880)	(4,331)
Income Tax Provision	$ 39,227	$ 70,903	$ 166,542
Income Tax at Statutory Rate	35.00%	35.00%	35.00%
Lower Rates on Foreign Operations	(20.20%)	(11.30%)	(4.50%)
State Income Taxes	4.80%	3.70%	3.50%
Stock Options	0.50%	0.30%	0.10%
Nondeductible Goodwill	7.80%	3.40%	0.00%
Tax Credits and Other	(4.10%)	(1.70%)	(0.90%)
Income Tax Provision	23.80%	29.40%	33.20%