Share-Based Compensation Plans Stock Options (Details) - Jun. 30, 2015 - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	Total
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares outstanding beginning balance	3,822
Weighted average exercise price per share outstanding beginning balance	$ 6.25
Number of shares granted	240
Weighted average exercise price per share granted	$ 7.69
Number of shares exercised	(141)
Weighted average exercise price per share exercised	$ 4.70
Number of shares forfeited or expired	(119)
Weighted average exercise price per share forfeited or expired	$ 4.28
Number of shares outstanding ending balance	3,802
Weighted average exercise price per share outstanding ending balance	$ 6.46
Weighted average exercise price per share average contractual term (years)	6 years 2 months 19 days
Aggregate intrinsic value outstanding ending balance (in dollars)	$ 3,226
Number of shares fully vested and expected to vest	3,779
Weighted average exercise price per share fully vested and expected to vest	$ 6.47
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	6 years 2 months 16 days
Aggregate intrinsic value fully vested and expected to vest (in dollars)	$ 3,201
Number of shares exercisable	2,469
Weighted average exercise price per share exercisable	$ 7.03
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	5 years 7 days
Aggregate intrinsic value exercisable (in dollars)	$ 1,696