Introduction (Details) $ in Millions	Sep. 28, 2019 USD ($)	Jan. 01, 2019 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Depository receipts ratio	0.76293
Operating lease right-of-use assets	$ 117.3
Total present value of lease liabilities	$ 127.7
ASU 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets		$ 126.0
Total present value of lease liabilities		$ 132.9