Income Taxes - Narrative (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013	Dec. 31, 2013
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Provision (benefit) for income taxes	$ 1.0	$ 3.5	$ (16.3)	$ 2.8
Effective tax rate			24.50%	82.40%
Income tax at the federal statutory rate			35.00%	35.00%
Realized tax benefits related to deductions for share-based compensation			6.4
Unrecognized tax benefits related to deductions for share-based compensation			1.1
Noncurrent liability for uncertain tax positions	28.0		28.0		20.8
Unrecognized tax benefits	31.2		31.2		30.7
Reduction of uncertain tax positions due to expiration of the statute of limitations	2.4
Reduction of unrecognized tax benefits resulting from expiration of applicable statute of limitations	1.4
Unrecognized tax benefits that would impact effective tax rate	12.2		12.2		10.9
Interest on income taxes accrued	5.0		5.0		4.0
Settlement of income tax liability			0.2
Settlement of value added tax liability			0.2
Settlement payment period			3 years
Foreign Tax Authority [Member]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Noncurrent liability for uncertain tax positions	1.3		1.3
Interest accrued	1.1		1.1
Deferred tax asset	0.8		0.8
Net impact to provision	1.6		1.6
Statute of Limitations Expected to Expire [Member] | State and Local Jurisdiction [Member]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Amount of unrecorded benefit	1.3		1.3
Value Added Tax Audit [Member] | Foreign Tax Authority [Member]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Increase in uncertain tax positions			0.8
Uncertain tax positions	$ 0.7		$ 0.7