Significant Accounting Policies (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2013	Dec. 31, 2013 Allowance For Doubtful Accounts Installments Receivables Current	Jun. 30, 2013 Allowance For Doubtful Accounts Installments Receivables Current	Jun. 30, 2012 Allowance For Doubtful Accounts Installments Receivables Current	Jun. 30, 2013 Allowance For Doubtful Accounts Installments Receivables Non Current	Dec. 31, 2013 Allowance For Doubtful Accounts Installments Receivables Non Current Maximum	Jun. 30, 2012 Allowance For Doubtful Accounts Installments Receivables Non Current Maximum
Installments Receivable
Percentage of total installments receivable allowance for doubtful accounts represented by specific reserve	98.00%				96.00%
Threshold period for classification of installments receivable to trade accounts receivable (as a percent)	45 days
Installments receivable, Current
Installments receivable, gross	$ 5.9		$ 5.9		$ 14.4
Less: Unamortized discount	0.1		0.1		0.6
Allowance for doubtful accounts						0.2	0.1	0.2
Installments receivable, Non-current
Installments receivable, gross	1.1		1.1		1.1
Less: Unamortized discount	0.1		0.1		0.1
Allowance for doubtful accounts									0.1	0.1	0.1
Foreign Currency Transactions
Net foreign currency losses	$ 0.5	$ 0.1	$ 1.3	$ 0.4