Share-Based Compensation - Narrative (Details) (USD $)			0 Months Ended		0 Months Ended	3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended
	Dec. 31, 2013	Jun. 30, 2013	Dec. 05, 2013 2007 Amended and Restated Long-term Incentive Plan	Dec. 03, 2013 2007 Amended and Restated Long-term Incentive Plan	Nov. 11, 2013 Non-qualified Stock Options with Time-based Vesting (NQO) [Member] 2007 Amended and Restated Long-term Incentive Plan	Dec. 31, 2013 Non-qualified Stock Options with Time-based Vesting (NQO) [Member] 2007 Amended and Restated Long-term Incentive Plan	Dec. 31, 2012 Non-qualified Stock Options with Time-based Vesting (NQO) [Member] 2007 Amended and Restated Long-term Incentive Plan	Dec. 31, 2013 Non-qualified Stock Options with Time-based Vesting (NQO) [Member] 2007 Amended and Restated Long-term Incentive Plan	Dec. 31, 2012 Non-qualified Stock Options with Time-based Vesting (NQO) [Member] 2007 Amended and Restated Long-term Incentive Plan	Dec. 31, 2012 Non-qualified Stock Options with Performance-based and Time-based Vesting (PNQ) [Member]	Dec. 31, 2013 Non-qualified Stock Options with Performance-based and Time-based Vesting (PNQ) [Member] 2007 Amended and Restated Long-term Incentive Plan	Dec. 31, 2012 Non-qualified Stock Options with Performance-based and Time-based Vesting (PNQ) [Member] 2007 Amended and Restated Long-term Incentive Plan	Dec. 31, 2013 Non-qualified Stock Options with Performance-based and Time-based Vesting (PNQ) [Member] 2007 Amended and Restated Long-term Incentive Plan	Dec. 31, 2012 Non-qualified Stock Options with Performance-based and Time-based Vesting (PNQ) [Member] 2007 Amended and Restated Long-term Incentive Plan	Dec. 31, 2013 Restricted Stock	Dec. 31, 2012 Restricted Stock	Dec. 31, 2013 Restricted Stock	Dec. 31, 2012 Restricted Stock
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Common Stock, Par or Stated Value Per Share	$ 1	$ 1	$ 1.00
Common stock authorized for future issuance			1,375,000	1,125,000
Increase in the number of shares authorized for issuance, if approved			250,000
Award vesting period					3 years						3 years				3 years
Estimated annual forfeiture rate										6.50%
Closing stock price	$ 23.26
Fair value of options vested								$ 500,000
Unrecognized compensation cost						1,000,000	1,600,000	1,000,000	1,600,000		1,100,000	0	1,100,000	0
Allocated Share-based Compensation Expense						200,000	300,000	400,000	500,000		0	0	0	0	200,000	200,000	300,000	400,000
Restricted stock granted															9,200	37,544
Restricted stock, Granted, Weighted Average Grant Date Fair Value															$ 20.48	$ 11.81
Unrecognized compensation cost related to restricted stock															800,000	1,200,000	800,000	1,200,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized For Issuance, Per Participant, Per Year			75,000	250,000
Share-based Compensation Arrangement by Share-based Payment Award, Value of Awards Authorized for Grant, Per Participant, Per Year			$ 30,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross					1,927								107,035
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price					$ 18.68								$ 21.33