Stock-Based Compensation (Tables)

3 Months Ended

Jun. 30, 2012

Stock-Based Compensation [Abstract]

Assumptions to estimate the fair value of option grants

	2013 $2.36 value per option			2012 $2.75 value per option			2012 $2.58 value per option			2012 $2.72 value per option			2012 $2.81 value per option			2012 $2.13 value per option
Dividend yield		0.0	%		0.0	%		0.0	%		0.0	%		0.0	%		0.0	%
Volatility		25.0	%		25.6	%		25.8	%		25.8	%		25.4	%		25.3	%
Risk-free interest rate		1.2	%		1.5	%		1.6	%		1.6	%		1.9	%		1.9	%
Expected term of options (in years)		7.0			7.0			7.0			7.0			7.0			7.0

Stock option activity under all plans and other grants

	Number of Shares			Aggregate Intrinsic Value (in thousands)		Approximate Remaining Contractual Term (Years)		Weighted- Average Exercise Price
Outstanding at March 31, 2012		759,577		$	800		7	$	8.17
Granted		400,000			—		—		8.10
Exercised		(19,082	)		35		—		6.40
Canceled or expired		(8,334	)		—		—		6.89
Outstanding at June 30, 2012		1,132,161			92		8		8.19
Options exercisable at June 30, 2012		520,161			73		6		8.38
Unvested options expected to become exercisable after June 30, 2012		612,000			19		9		8.02
Shares available for future option grants at June 30, 2012 (a)		652,624

(a) May be decreased by restricted stock grants.

Restricted stock award activity under all plans

	Number of Shares			Weighted – Average Grant Date Fair Value
Non-vested at March 31, 2012		21,094		$	8.54
Granted		—			—
Vested		(1,238	)		11.24
Cancelled		—			—
Non-vested at June 30, 2012		19,856			8.68