Long-Term Borrowings (Details)	0 Months Ended		12 Months Ended					12 Months Ended				0 Months Ended				0 Months Ended		6 Months Ended		12 Months Ended		12 Months Ended
	Oct. 29, 2013 USD ($)	Oct. 29, 2013 KRW	Jun. 30, 2014 USD ($) item	Jun. 30, 2013 USD ($)	Jun. 30, 2012 USD ($)	Jun. 30, 2014 Facility A [Member] KRW	Jun. 30, 2014 Facility A [Member] USD ($)	Jun. 30, 2014 Facility B [Member] USD ($)	Jun. 30, 2014 Facility B [Member] KRW	Jun. 30, 2014 Facility C [Member] USD ($)	Jun. 30, 2014 Facility C [Member] KRW	Oct. 29, 2013 Korean Senior Secured Loan Facility [Member] USD ($)	Oct. 29, 2013 Korean Senior Secured Loan Facility [Member] KRW	Oct. 29, 2013 Korean Senior Secured Loan Facility [Member] USD ($)	Oct. 29, 2013 Korean Senior Secured Loan Facility [Member] KRW	Oct. 29, 2013 Revolving Credit Facility [Member] USD ($)	Oct. 29, 2013 Revolving Credit Facility [Member] KRW	Jun. 30, 2014 Revolving Credit Facility [Member] USD ($)	Jun. 30, 2014 Revolving Credit Facility [Member] KRW	Jun. 30, 2014 Revolving Credit Facility [Member] USD ($)	Jun. 30, 2014 Korean CD Rate [Member]	Jun. 30, 2014 Final Installment [Member] Facility A [Member] KRW
Debt Instrument [Line Items]
Maximum borrowing capacity						60,000,000,000	$ 59,200,000	$ 14,800,000	15,000,000,000	$ 9,900,000	10,000,000,000			$ 87,000,000	92,400,000,000
Number of facility agreements			3
Proceeds drawn from facilities												70,600,000	75,000,000,000			1,000,000	1,100,000,000	2,100,000	2,200,000,000
Repayment of facilities												16,400,000	17,400,000,000
Secured loan facility																		77,200,000		77,200,000
Margin added on rate						3.10%		2.90%	2.90%	3.10%	3.10%
CD interest rate at period end																					2.65%
Facilities interest rate at period end							5.75%	5.55%	5.55%	5.75%	5.75%
Facility agreement, in years			5 years
Commitment fee percentage																				0.30%
Facilities fees paid	900,000	900,000,000	400,000
Amortization of fees			300,000
Interest expense			4,800,000	7,100,000	8,800,000
Annual installments						10,000,000,000																30,000,000,000
Period before maturity date, prepayment of facility may be withdrawn (in months)			3 months