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Debt and Credit Facility - Convertible Debt (Details)
9 Months Ended
Oct. 01, 2019
Dec. 31, 2019
$ / shares
Senior Subordinated Convertible Debt | 2017 Senior Convertible Debt    
Debt Instrument [Line Items]    
Conversion Rate   10.4213
Approximate Conversion Price (in dollars per share)   $ 95.96
Incremental Share Factor   5.2106
Maximum Conversion Rate   14.8503
Senior Subordinated Convertible Debt | 2015 Senior Convertible Debt    
Debt Instrument [Line Items]    
Conversion Rate 18.9958 16.2513
Approximate Conversion Price (in dollars per share)   $ 61.53
Incremental Share Factor   8.1256
Maximum Conversion Rate   22.7517
Junior Subordinated Debt | 2017 Junior Convertible Debt    
Debt Instrument [Line Items]    
Conversion Rate   10.6074
Approximate Conversion Price (in dollars per share)   $ 94.27
Incremental Share Factor   5.3038
Maximum Conversion Rate   14.8503