Allowance for Long-Term Receivables (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 27, 2014
Financing Receivable, Allowance for Credit Losses [Line Items]
Long-term receivables past due	$ 14.2
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	20.5
Write-offs	(6.2)
Provision	2.9	[1]
Currency translation adjustment	(4.1)
Ending balance	13.1
Reclassifications from current receivables	$ 2.2

[1] Provision includes $2.2 million of reclassifications from current receivables.