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Debt and Credit Facility - Conversion Features (Details)
3 Months Ended
Jul. 01, 2019
Jun. 30, 2019
USD ($)
day
Debt Instrument [Line Items]    
If-converted value in excess of principal | $   $ 1,000
2015 Senior Convertible Debt    
Debt Instrument [Line Items]    
Threshold percentage of stock price trigger   130.00%
Conversion Rate   16.1212
If-converted value in excess of principal | $   $ 1,030,000,000.00
Convertible Debt    
Debt Instrument [Line Items]    
Debt instrument, redemption price, percentage   100.00%
Convertible Debt | Debt Instrument, Redemption, Period One    
Debt Instrument [Line Items]    
Threshold percentage of stock price trigger   130.00%
Threshold trading days   20
Threshold consecutive trading days   30
Convertible Debt | Debt Instrument, Redemption, Period Two    
Debt Instrument [Line Items]    
Threshold percentage of stock price trigger   98.00%
Threshold trading days   5
Threshold consecutive trading days   10
Subsequent Event    
Debt Instrument [Line Items]    
Conversion Rate 18.7316