Allowance for Long-Term Receivables (Details) $ in Millions	9 Months Ended
	Sep. 26, 2015 USD ($)
Financing Receivable, Allowance for Credit Losses [Line Items]
Long-Term Receivables Past Due	$ 12.4
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at December 27, 2014	13.1
Write-offs	(0.8)
Provision and reclassifications	1.2
Currency translation adjustment	(1.6)
Balance at September 26, 2015	$ 11.9