Subsequent Events (Details) - Subsequent Events - USD ($) $ / shares in Units, $ in Millions	Oct. 30, 2015	Oct. 28, 2015
$150 million share repurchase program
Subsequent Event
Amount approved under share repurchase program		$ 150
Tender offer
Subsequent Event
Amount approved under share repurchase program	$ 75
Tender offer | Minimum
Subsequent Event
Price per share under share repurchase program	$ 8.50
Tender offer | Maximum
Subsequent Event
Price per share under share repurchase program	$ 9.25