Contingencies - Additional Information (Details)	3 Months Ended					12 Months Ended
	Jun. 30, 2013 USD ($)	Jun. 30, 2013 JPY (¥)	Feb. 15, 2013 USD ($)	Jun. 30, 2012 USD ($)	Jun. 30, 2010 USD ($)	Jun. 30, 2009 Employment and Benefits Litigation USD ($) Employees	Jun. 30, 2009 Employment and Benefits Litigation EUR (€)	Jun. 30, 2013 Employment and Benefits Litigation USD ($) Employees	Jun. 30, 2013 Employment and Benefits Litigation EUR (€)	Jun. 19, 2013 Employment and Benefits Litigation Employees	Feb. 24, 2012 Employment and Benefits Litigation Employees
Loss Contingencies [Line Items]
Number of terminated employees						280	280
Amount sought by former employees from company						$ 31,200,000	€ 24,000,000
Amount awarded to plaintiffs								2,600,000	2,000,000
Number of employees, executive section										3	5
Number of employees called for hearing								190	190
Liabilities due against law suit								2,500,000	1,900,000
Accrued liability for unauthorized activities in Japan	0		158,100,000	184,177,000	165,800,000
Payments for legal settlements	182,800,000	17,000,000,000
Restricted cash received upon settlement of unauthorized activities in country one	4,500,000
Loss contingency number of employees filed administrative action								23	23
Estimated amount of damages to be paid related to plaintiffs								$ 5,300,000	€ 4,100,000