Income Taxes, Tax Credit Carryforwards (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2013
Research Credits [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	$ 1.7
Tax credit carryforwards, expiration dates	2023 through 2028
Foreign Country [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	59.0
Tax credit carryforwards, expiration dates	2019 through 2023
Federal [Member] | Research Credits [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	23.9
Tax credit carryforwards, expiration dates	2026 through 2033
California [Member] | Research Credits [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	$ 39.2
Tax credit carryforwards, expiration dates	no expiration