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Fair Value Measurements - Schedule of Impaired Long-lived Assets Carrying Value and Fair Value (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Dec. 30, 2017
Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Asset impairment charges $ 2.6 $ 0.5 $ 18.9 $ 5.4
Assets, Fair Value Disclosure [Abstract]        
Impairment of long-lived assets       5.4
Nonrecurring | Significant unobservable inputs (Level 3)        
Assets, Fair Value Disclosure [Abstract]        
Carrying Value Prior to Impairment 3.5   21.5  
Fair Value 0.9   2.6  
Carrying Value Prior to Impairment | Nonrecurring | Significant unobservable inputs (Level 3)        
Assets, Fair Value Disclosure [Abstract]        
Value of fixed assets   5.4   5.4
Fair Value | Nonrecurring | Significant unobservable inputs (Level 3)        
Assets, Fair Value Disclosure [Abstract]        
Value of fixed assets   0.5   0.5
Fixed assets        
Assets, Fair Value Disclosure [Abstract]        
Impairment of long-lived assets       4.9
MK Retail        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Asset impairment charges 2.6   18.9  
Assets, Fair Value Disclosure [Abstract]        
Impairment of long-lived assets 2.6   14.5 4.9
MK Wholesale        
Assets, Fair Value Disclosure [Abstract]        
Impairment of long-lived assets   $ 0.5    
MK Wholesale | Fixed assets        
Assets, Fair Value Disclosure [Abstract]        
Impairment of long-lived assets       $ 0.5
Fixed assets | Nonrecurring | Significant unobservable inputs (Level 3)        
Assets, Fair Value Disclosure [Abstract]        
Carrying Value Prior to Impairment 3.5   16.9  
Fair Value 0.9   2.4  
Finite-lived intangible assets | Lease Rights | Nonrecurring | Significant unobservable inputs (Level 3)        
Assets, Fair Value Disclosure [Abstract]        
Carrying Value Prior to Impairment 0.0   3.6  
Fair Value 0.0   0.2  
Finite-lived intangible assets | Customer relationships | Nonrecurring | Significant unobservable inputs (Level 3)        
Assets, Fair Value Disclosure [Abstract]        
Carrying Value Prior to Impairment 0.0   1.0  
Fair Value $ 0.0   $ 0.0