Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Dec. 31, 2016	Dec. 26, 2015
Cash flows from operating activities
Net income	$ 578.3	$ 661.4
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	162.5	132.7
Equity compensation expense	26.7	38.7
Deferred income taxes	3.6	(1.0)
Amortization of deferred rent	2.2	2.0
Loss on disposal of fixed assets	2.5	2.3
Impairment of long-lived assets	5.4	0.0
Amortization of deferred financing costs	0.6	0.6
Tax benefits on exercise of share options	(6.4)	(10.8)
Foreign currency losses	2.2	3.7
Loss on joint venture	0.0	1.0
Change in assets and liabilities:
Receivables, net	73.6	55.1
Inventories	(20.2)	(65.6)
Prepaid expenses and other current assets	(41.4)	34.2
Accounts payable	74.4	47.2
Accrued expenses and other current liabilities	5.4	50.0
Other	17.7	9.2
Net cash provided by operating activities	887.1	960.7
Cash flows from investing activities
Capital expenditures	(147.7)	(290.2)
Purchase of intangible assets	(5.6)	(9.4)
Cash paid for business acquisition, net of cash acquired	(480.6)	4.1
Equity method investments	0.0	(1.0)
Restricted Cash	1.1	0.0
Net cash used in investing activities	(632.8)	(296.5)
Cash flows from financing activities
Proceeds from debt borrowings	361.8	192.5
Repayments of debt borrowings	(199.6)	(198.0)
Repurchases of treasury shares	(754.8)	(952.4)
Exercises of employee share options	8.0	6.5
Tax benefits on exercise of share options	6.4	10.8
Other financing activities	0.0	0.0
Net cash used in financing activities	(578.2)	(940.6)
Effect of exchange rate changes on cash and cash equivalents	(9.3)	(5.7)
Net decrease in cash and cash equivalents	(333.2)	(282.1)
Beginning of period	702.0	978.9
End of period	368.8	696.8
Supplemental disclosures of cash flow information
Cash paid for interest	3.1	0.4
Cash paid for income taxes	164.7	205.8
Supplemental disclosure of non-cash investing and financing activities
Accrued capital expenditures	$ 36.2	$ 45.6