Income Taxes 6 (Narrative) (Details) (USD $)
 1 Months Ended 11 Months Ended 12 Months Ended 3 Months Ended 11 Months Ended 1 Months Ended 8 Months Ended 11 Months Ended 12 Months Ended 11 Months Ended 12 Months Ended 11 Months Ended
Jun. 07, 2013
Dec. 29, 2013
Apr. 28, 2013
Apr. 29, 2012
Apr. 27, 2011
Oct. 28, 2012
Tax Free Reorganization [Member]
Foreign Subsidiary [Member]
Oct. 28, 2012
Assets Revaluation [Member]
Foreign Subsidiary [Member]
Jul. 29, 2012
Assets Revaluation [Member]
Foreign Subsidiary [Member]
Oct. 26, 2011
Assets Revaluation [Member]
Foreign Subsidiary [Member]
Dec. 29, 2013
Assets Revaluation [Member]
Foreign Subsidiary [Member]
Apr. 28, 2013
Assets Revaluation [Member]
Foreign Subsidiary [Member]
Apr. 29, 2012
Assets Revaluation [Member]
Foreign Subsidiary [Member]
Jun. 07, 2013
Predecessor [Member]
Dec. 23, 2012
Predecessor [Member]
Dec. 29, 2013
Predecessor [Member]
Apr. 28, 2013
Predecessor [Member]
Apr. 29, 2012
Predecessor [Member]
Apr. 27, 2011
Predecessor [Member]
Dec. 29, 2013
Predecessor [Member]
United Kingdom [Member]
Apr. 29, 2012
Predecessor [Member]
United Kingdom [Member]
Dec. 29, 2013
Successor [Member]
Dec. 29, 2013
Successor [Member]
United Kingdom [Member]
Income Tax Contingency [Line Items]                                            
Income Tax Effects Allocated Directly to Equity, Employee Stock Options $ 47,000,000 $ 0 $ 20,800,000 $ 16,800,000 $ 21,400,000                                  
Tax benefit from reversal of uncertain tax liability                             15,000,000           107,000,000  
Benefit from income taxes           63,000,000   12,900,000 34,900,000       61,097,000 142,528,000   241,598,000 244,966,000 370,817,000     (231,623,000)  
Increase (Decrease) in Deferred Tax Assets               82,100,000 220,200,000                          
Taxes Payable, Current and Noncurrent, Gross                     13,100,000 34,800,000                    
Payments for Other Taxes             17,900,000   10,400,000 15,700,000                        
Cash Taxes, Tax Amortization Period           10 years       20 years                        
Cash Taxes, Expected Adjustment           91,000,000       95,000,000                        
Deferred Tax Assets related to business classified as held for sale     55,100,000                                      
Deferred Tax Liabilities related to business classified as held for sale     5,200,000                                      
Valuation Allowance related to business classified as held for sale     54,300,000                                      
Operating Loss Carryforwards Foreign   390,300,000                                        
Operating Loss Carry Forwards Foreign Expiring Current Through Twenty Years   162,800,000                                        
Operating Loss Carryforwards Foreign Do Not Expire   227,500,000                                        
Operating Loss Carryforwards   657,200,000                                        
Deferred Tax Assets, Operating Loss Carryforwards     34,400,000                                      
Operating Loss Carryforwards State     30,500,000                                      
Valuation Allowance, Deferred Tax Asset, Change in Amount   44,500,000   (26,200,000) (1,900,000)                               (32,100,000)  
Unrecognized Tax Benefits that Would Impact Effective Tax Rate   44,900,000 38,300,000 38,900,000                                    
Unrecognized Tax Benefits, Interest on Income Taxes Expense   4,200,000   9,500,000 1,300,000               1,800,000               1,400,000  
Unrecognized Tax Benefits, Income Tax Penalties Expense   6,300,000   4,700,000 100,000               200,000               100,000  
Unrecognized Tax Benefits, Interest on Income Taxes Accrued   10,700,000 8,500,000 16,000,000                                    
Unrecognized Tax Benefits, Income Tax Penalties Accrued   8,500,000 6,900,000 13,800,000                                    
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit     25,000,000                                      
Taxes Payable, Due in Year Three                     4,000,000                      
Undistributed Earnings of Foreign Subsidiaries   2,200,000,000                                        
Deferred Tax Liabilities, Undistributed Foreign Earnings   $ 345,000,000                           $ 1,571,000 $ 6,466,000       $ 344,883,000  
Tax on income of foreign subsidiaries                         6.00%     (5.50%) (6.20%) (3.90%) (2.00%) (2.00%) 6.90% 3.00%