Shareholders' Equity - Additional Information (Details) - USD ($)	6 Months Ended
	Sep. 29, 2018	Sep. 30, 2017
Equity, Class of Treasury Stock [Line Items]
Ordinary shares repurchased, value	$ 107,100,000
Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Ordinary shares repurchased (in shares)	1,659,941	4,543,500
Ordinary shares repurchased, value	$ 100,000,000	$ 157,800,000
Share repurchase program, authorized amount	1,000,000,000
Ordinary shares repurchased, remaining availability	$ 542,200,000
Withhold to Cover Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Ordinary shares repurchased (in shares)	106,002	91,122
Ordinary shares repurchased, value	$ 7,100,000	$ 3,100,000