Share-Based Compensation (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended	3 Months Ended			3 Months Ended									3 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Sep. 30, 2013 Selling, General and Administrative Expenses [Member]	Sep. 30, 2012 Selling, General and Administrative Expenses [Member]	Sep. 30, 2013 Accrued expenses and other current liabilities [Member]	Sep. 30, 2013 Minimum [Member]	Sep. 30, 2013 Maximum [Member]	Sep. 30, 2013 Stock Options [Member]	Sep. 30, 2013 Restricted Stock Grants [Member]	Sep. 30, 2013 Non-qualified Stock Option [Member]	Sep. 30, 2013 Restricted Stock Units (RSUs) [Member]	Sep. 30, 2013 Restricted Stock Units (RSUs) [Member] Selling, General and Administrative Expenses [Member]	Sep. 30, 2013 Restricted Stock Units (RSUs) [Member] Accrued expenses and other current liabilities [Member]	Sep. 30, 2013 Restricted Stock Units (RSUs) [Member] Other long term liabilities [Member]	Sep. 30, 2013 Stock Appreciation Rights (SARs) [Member]
Stock Plan Activity Since Inception [Abstract]
Increase in shares of common stock authorized for issuance under the Plan (in shares)	1,000,000
Shares of common stock authorized to be issued (in shares)	6,000,000
Shares available for grant (in shares)	231,651
Contractual terms of option grants, minimum								5 years
Contractual terms of option grants, maximum								10 years
Share-based compensation awards issued (in shares)									6,615	241,711
Number of Options [Roll Forward]
Outstanding, beginning of period (in shares)	3,795,252
Granted (in shares)	241,711
Exercised (in shares)	(3,334)
Forfeited and expired (in shares)	0
Outstanding, end of period (in shares)	4,033,629	3,795,252
Exercisable, end of period (in shares)	3,271,407
Weighted-Average Exercise Price [Abstract]
Outstanding, beginning of period (in dollars per share)	$ 8.74
Granted (in dollars per share)	$ 12.42
Exercised (in dollars per share)	$ 8.40
Forfeited and expired (in dollars per share)	$ 0
Outstanding, end of period (in dollars per share)	$ 8.96	$ 8.74
Exercisable, end of period (in dollars per share)	$ 7.21
Weighted-Average Remaining Contractual Term in Years [Abstract]
Outstanding, beginning of period	1 year 3 months 18 days	1 year 9 months 14 days
Outstanding, end of period	1 year 3 months 18 days	1 year 9 months 14 days
Exercisable, end of period	1 year 8 months 26 days
Aggregate Intrinsic Value [Abstract]
Outstanding, beginning of period	$ 17,452
Outstanding, end of period	30,244	17,452
Exercisable, end of period	29,478
Assumptions used to estimate fair value of stock option awards granted [Abstract]
Risk free interest rate (in hundredths)						0.04%	1.39%
Expected dividend yield (in hundredths)						1.62%	2.21%
Expected volatility (in hundredths)						26.05%	59.09%
Expected term						6 months 29 days	5 years 0 months 18 days
Vested in period (in shares)	60,875
Total vested options (in shares)	3,271,407
Nonvested options outstanding (in shares)	762,222
Share Based Compensation Expense [Abstract]
Share-based compensation expense			11,262	24,056								2,165			109
Restricted Stock Units [Abstract]
Vesting period of award											3 years				3 years
Awards granted (in shares)											0				969,607
Awards outstanding (in shares)											634,041				969,607
Liability associated with restricted stock units					30,033						5,351		501	4,850	109
Unearned compensation expense related to non-vested options and restricted stock units and stock appreciation rights	$ 8,605