Other Assets and Liabilities (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 29, 2019	Dec. 29, 2018	Sep. 28, 2019	Sep. 29, 2018	Mar. 30, 2019
Balance Sheet Related Disclosures [Abstract]
Gain (loss) on disposal of property	$ 0.0
Proceeds from sale of property		$ 20.0	$ 20.8	$ 0.0
Prepaid Expense and Other Assets, Current
Other taxes receivable			59.2		$ 137.9
Non-trade receivables			30.5		30.8
Tenant allowances receivable			24.8		8.2
Derivative financial instruments, current			23.2		19.8
Inventory return asset			22.1		18.4
Prepaid software maintenance			21.2		19.8
Prepaid occupancy costs			16.1		38.0
Prepaid advertising and marketing			13.9		9.6
Restricted cash, current			7.1		11.9
Assets held-for-sale			0.0		20.8
Other prepaid expenses and other current assets			49.8		44.1
Prepaid expenses and other current assets			267.9		359.3
Other Assets, Noncurrent
Derivative financial instruments, noncurrent			30.2		12.2
Security deposits			27.7		24.5
Restricted cash, noncurrent			8.1		30.5
Non-current investments			0.0		44.9
Other non-current assets			34.0		46.4
Total other non-current assets			100.0		158.5
Accrued Expenses and Other Current Liabilities
Accrued operating expenses			191.4		235.2
Accrued inventory			171.5		141.0
Accrued payroll and benefits			152.0		232.5
Other taxes payable			66.8		158.3
Accrued capital expenditures			55.3		47.6
Dividends payable			51.3		48.8
Restructuring reserve, current			31.5		60.4
Deferred income			15.1		14.1
Finance lease obligations, current			10.7		22.3
Derivative financial instruments, current			5.2		3.6
Other accrued expenses and current liabilities			4.3		4.6
Total accrued expenses and other current liabilities			755.1		968.4
Other Non-Current Liabilities
Finance lease obligations, noncurrent			196.1		212.6
Deferred lease incentives and obligations			62.1		202.7
Accrued benefits and deferred compensation, noncurrent			20.1		26.2
Deferred tax liabilities			13.1		50.2
Restructuring reserve, noncurrent			2.9		11.4
Derivative financial instruments, noncurrent			0.0		11.9
Other non-current liabilities			24.8		25.9
Total other non-current liabilities			$ 319.1		$ 540.9