Employee Benefit Plans (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Jul. 03, 2016	Jun. 28, 2015	Apr. 03, 2016
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Cost recognized for matching contributions	$ 1.1	$ 1.0
United States Postretirement Benefit Plan of US Entity
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Participant balances percent vested (percent)	100.00%
Deferred compensation plan obligations	$ 14.8		$ 13.1
Deferred compensation plan assets	15.0		14.6
United States Postretirement Benefit Plan of US Entity | Fox Enterprises
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Deferred compensation plan assets	0.4		0.4
Deferred compensation liability	0.9		0.9
International Employee Benefit Plan
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Deferred compensation liability	$ 0.8		$ 0.8