Segment Information - Total Revenue (as Recognized Based on Country of Origin), and Long-Lived Assets by Geographic Location (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Mar. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	$ 1,202.5	$ 952.4
Long-lived assets, excluding goodwill	1,738.8		$ 1,818.9
The Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	718.2	634.1
Long-lived assets, excluding goodwill	319.5		327.3
EMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	301.8	201.2
Long-lived assets, excluding goodwill	984.8		1,050.3
Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	182.5	117.1
Long-lived assets, excluding goodwill	434.5		441.3
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	668.3	$ 587.1
Long-lived assets, excluding goodwill	$ 295.2		$ 303.3