Stock-Based Compensation (Details) (USD $)	3 Months Ended			1 Months Ended			3 Months Ended	12 Months Ended		3 Months Ended
	Jun. 30, 2013	Jun. 30, 2013 Performance Stock Units [Member]	Jul. 01, 2012 Performance Stock Units [Member]	May 31, 2013 Restricted Stock [Member]	May 31, 2012 Restricted Stock [Member]	Apr. 30, 2011 Restricted Stock [Member]	Jun. 30, 2013 Restricted Stock [Member]	Mar. 31, 2007 Second Amended and Restated 1994 Stock and Incentive Plan [Member] Restricted Stock [Member]	Jun. 30, 2013 Second Amended and Restated 1994 Stock and Incentive Plan [Member] Restricted Stock [Member]	Jun. 30, 2013 Selling, General and Administrative Expenses [Member] Performance Stock Units [Member]	Jul. 01, 2012 Selling, General and Administrative Expenses [Member] Performance Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-cash stock-based compensation										$ 579,900	$ 337,800
Income tax benefit from share-based compensation		1,004,500	2,140,200
Shares earned (in shares)		222,722
Unrecognized compensation costs		$ 3,500,000					$ 400,000		$ 700,000
Unrecognized compensation costs, period for recognition	3 years
Shares of common stock granted (in shares)				15,000	20,100	36,000		225,000
Nonvested PSU shares, Outstanding [Roll Forward]
Outstanding, non-vested beginning of period (in shares)		455,979							67,500
Granted (in shares)		109,000
Vested (in shares)		(198,130)
Forfeited/Cancelled (in shares)		(35,127)
Outstanding, non-vested end of period (in shares)		331,722							67,500
Nonvested PSU shares, Weighted-Average Grant Date Fair Value [Roll Forward]
Outstanding, non-vested beginning of period (in dollars per share)		$ 12.77
Granted (in dollars per share)		$ 19.58						$ 10.56
Vested (in dollars per share)		$ 10.20
Forfeited/cancelled (in dollars per share)		$ 19.31
Outstanding, non-vested end of period (in dollars per share)		$ 15.85
Vesting period							4 years	10 years