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Restructuring - Restructuring Costs Incurred (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 28, 2014
Sep. 28, 2014
Jun. 29, 2014
Mar. 30, 2014
Dec. 29, 2013
Sep. 29, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 28, 2014
Dec. 29, 2013
Restructuring Cost and Reserve [Line Items]                    
Restructuring charges included in SG&A expenses $ 6.2us-gaap_RestructuringCharges $ 4.0us-gaap_RestructuringCharges $ 1.8us-gaap_RestructuringCharges $ 0us-gaap_RestructuringCharges $ 0.3us-gaap_RestructuringCharges $ 0.5us-gaap_RestructuringCharges $ 0.8us-gaap_RestructuringCharges $ 0us-gaap_RestructuringCharges $ 12.0us-gaap_RestructuringCharges $ 1.6us-gaap_RestructuringCharges
Severance Costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring charges included in SG&A expenses                 8.5us-gaap_RestructuringCharges
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Lease Termination Costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring charges included in SG&A expenses                 3.5us-gaap_RestructuringCharges
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EMEA and APAC                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring charges included in SG&A expenses                 2.1us-gaap_RestructuringCharges
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EMEA and APAC | Severance Costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring charges included in SG&A expenses                 0.9us-gaap_RestructuringCharges
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EMEA and APAC | Lease Termination Costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring charges included in SG&A expenses                 1.2us-gaap_RestructuringCharges
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Corporate                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring charges included in SG&A expenses                 9.9us-gaap_RestructuringCharges
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2014 Management Simplification Restructuring Plan                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring charges included in SG&A expenses                 9.9us-gaap_RestructuringCharges
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2014 Management Simplification Restructuring Plan | Severance Costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring charges included in SG&A expenses                 7.6us-gaap_RestructuringCharges
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2014 Management Simplification Restructuring Plan | Lease Termination Costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring charges included in SG&A expenses                 2.3us-gaap_RestructuringCharges
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2014 Management Simplification Restructuring Plan | Americas                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring charges included in SG&A expenses                 4.0us-gaap_RestructuringCharges
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2014 Management Simplification Restructuring Plan | Americas | Severance Costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring charges included in SG&A expenses                 1.7us-gaap_RestructuringCharges
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2014 Management Simplification Restructuring Plan | Americas | Lease Termination Costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring charges included in SG&A expenses                 2.3us-gaap_RestructuringCharges
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2014 Management Simplification Restructuring Plan | OCG                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring charges included in SG&A expenses                 1.3us-gaap_RestructuringCharges
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2014 Management Simplification Restructuring Plan | OCG | Severance Costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring charges included in SG&A expenses                 1.3us-gaap_RestructuringCharges
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Restructuring Cost and Reserve [Line Items]                    
Restructuring charges included in SG&A expenses                 0us-gaap_RestructuringCharges
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2014 Management Simplification Restructuring Plan | Corporate                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring charges included in SG&A expenses                 4.6us-gaap_RestructuringCharges
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2014 Management Simplification Restructuring Plan | Corporate | Severance Costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring charges included in SG&A expenses                 4.6us-gaap_RestructuringCharges
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2014 Management Simplification Restructuring Plan | Corporate | Lease Termination Costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring charges included in SG&A expenses                 $ 0us-gaap_RestructuringCharges
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