Subsequent Events (Details) (USD $)	3 Months Ended	8 Months Ended	9 Months Ended	0 Months Ended
	Sep. 30, 2014	Sep. 30, 2014	Sep. 30, 2014	Oct. 24, 2014 Subsequent event [Member]	Oct. 01, 2014 Subsequent event [Member]	Oct. 01, 2014 Subsequent event [Member] Maximum [Member]
Subsequent Event [Line Items]
Proceeds from divestiture of business					$ 1,100,000	$ 900,000
Stock repurchase program, increase to authorized amount				20,000,000
Stock repurchase program, authorized amount				40,000,000.0
Stock repurchased during period (in shares)	1,413,017	3,100,000	3,117,277
Stock repurchased during period, percentage of outstanding shares		10.40%
Stock repurchased during period, amount	$ 9,000,000	$ 20,000,000	$ 20,000,000