Employee Benefit Plans (Details) - USD ($) $ in Millions	3 Months Ended
Jul. 01, 2018	Jul. 02, 2017	Apr. 01, 2018
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Cost recognized for matching contributions	$ 1.2	$ 0.8
Participant balances percent vested (percent)	100.00%
Deferred compensation plan obligations	$ 18.1		$ 16.3
Deferred compensation plan assets	18.1		16.9
Fox Enterprises Plan
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Deferred compensation plan assets	0.4		0.4
Defined benefit plan liability	$ 0.8		$ 0.8

Deferred Compensation, Participant Balances, Percent Vested

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- Definition

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+ References

No definition available.

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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for deferred compensation arrangements payable after one year (or the normal operating cycle, if longer). Represents currently earned compensation under cash arrangements (such as a profit-sharing plan, rabbi trust, and employee contract--excluding equity-based arrangements) that is not actually paid until a later date.

+ References

No definition available.

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Carrying amount as of the balance sheet date of assets held under deferred compensation agreements.

+ References

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- Definition

Amount of cost for defined contribution plan.

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- Definition

Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans.

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