Commitments and Contingencies Obligation Reserves (Details) (Total indemnity reserves, USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 29, 2012	Dec. 31, 2011
Total indemnity reserves
Loss Contingency Accrual [Roll Forward]
Balance at beginning of period	$ 27.9	$ 30.6	$ 33.7
Changes in estimates	0	0	0
Foreign exchange impacts	(3.8)	(2.7)	(3.1)
Balance at end of period	$ 24.1	$ 27.9	$ 30.6