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Commitment and Contingencies - Narratives (Details) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Dec. 31, 2016
Jul. 29, 2017
Jul. 30, 2016
Jul. 25, 2015
Oct. 29, 2016
Loss Contingencies [Line Items]          
Loss contingency, estimated loss         $ 13.0
Loss contingency accrual, payments $ 0.1        
Operating leases, expense   $ 32.5 $ 26.8 $ 18.5  
Machinery rental expense   26.0 23.0 $ 20.4  
Letters of credit outstanding amount   48.7 57.6    
Standby Letters of Credit          
Loss Contingencies [Line Items]          
Letters of credit outstanding amount   48.7      
Goodman Networks, Inc. Wireline Operations          
Loss Contingencies [Line Items]          
Escrow deposit   10.0      
Funds released from escrow   2.5      
Indemnification Portion Subject to Certain Conditions, Not Less Than Twelve Months | Goodman Networks, Inc. Wireline Operations          
Loss Contingencies [Line Items]          
Escrow deposit   22.5      
Indemnification Portion Subject to Seller Satisfaction of Certain Liabilities | Goodman Networks, Inc. Wireline Operations          
Loss Contingencies [Line Items]          
Escrow deposit   10.0      
Performance Guarantee and Surety Bond [Member]          
Loss Contingencies [Line Items]          
Guarantor obligations, carrying value   $ 118.2 $ 165.8