Recently Issued Accounting Standards (Details)	6 Months Ended
	Jun. 29, 2018	Jun. 30, 2017
Accounting Standards Update 2016-01 [Member] | Retained Earnings
New Accounting Pronouncement or Change in Accounting Principle, Description of Prior-period Information Retrospectively Adjusted	1.5
Accounting Standards Update 2014-09 [Member] | Retained Earnings
New Accounting Pronouncement or Change in Accounting Principle, Description of Prior-period Information Retrospectively Adjusted	1.1
Other Nonoperating Income (Expense) [Member] | ASU 2017-07 [Member]
New Accounting Pronouncement or Change in Accounting Principle, Description of Prior-period Information Retrospectively Adjusted		72.3
Selling, General and Administrative Expenses [Member] | ASU 2017-07 [Member]
New Accounting Pronouncement or Change in Accounting Principle, Description of Prior-period Information Retrospectively Adjusted		70.7
Cost of Sales | ASU 2017-07 [Member]
New Accounting Pronouncement or Change in Accounting Principle, Description of Prior-period Information Retrospectively Adjusted		1.2
Research and Development Expense [Member] | ASU 2017-07 [Member]
New Accounting Pronouncement or Change in Accounting Principle, Description of Prior-period Information Retrospectively Adjusted		.4