Subsequent Events (Subsequent Events) (Details) - USD ($) $ in Millions	Nov. 19, 2015	Jan. 23, 2015
Subsequent Event [Line Items]
Stock Repurchase Program, Authorized Amount		$ 300.0
2015 Mallinckrodt Pharmaceuticals Stock and Incentive Plan [Member]
Subsequent Event [Line Items]
Stock Repurchase Program, Authorized Amount	$ 800.0
Stock Repurchase Program, Increase in Authorized Amount	$ 500.0