Subsequent Events (Details) - USD ($)	Feb. 23, 2016	Aug. 25, 2015	Jan. 23, 2016
Subsequent Event [Line Items]
Share repurchase program, additional amount authorized for repurchase		$ 50,000,000.0
Stock repurchase program, period in force		18 months
Stock repurchase program, authorized amount		$ 50,000,000
Remaining authorized repurchase amount			$ 50,000,000
Subsequent Event [Member]
Subsequent Event [Line Items]
Share repurchase program, additional amount authorized for repurchase	$ 50,000,000
Stock repurchase program, period in force extension	6 months
Stock repurchase program, authorized amount	$ 100,000,000
Remaining authorized repurchase amount	$ 100,000,000