Long-term Debt - Debt Covenants and Events of Default (Detail)
 2 Months Ended 3 Months Ended 12 Months Ended
Jun. 30, 2017
Mar. 31, 2017
Sep. 30, 2016
Nov. 30, 2015
USD ($)
Sep. 28, 2015
USD ($)
Mar. 31, 2015
USD ($)
shares
Dec. 15, 2014
Aug. 07, 2013
USD ($)
Mar. 09, 2016
USD ($)
Dec. 31, 2015
USD ($)
Sep. 30, 2015
USD ($)
Jun. 30, 2015
USD ($)
Mar. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Jun. 30, 2014
USD ($)
Dec. 31, 2015
USD ($)
Line of Credit Facility [Line Items]                                
Minimum amount of debt obligation that will lead to change of control and insolvency proceedings                               $ 15,000,000
Debt extinguishment costs                           $ 14,300,000 $ 900,000  
Debt extinguishment charges                   $ 2,100,000 $ 900,000 $ 300,000 $ 2,400,000      
Prepayment penalty                   2.00%     2.00% 3.00%    
2014 Term Loan                                
Line of Credit Facility [Line Items]                                
Shares issued as consideration for suspension of covenant testing | shares           10,100,000.0                    
Percent of common stock issued as consideration for suspension of covenant testing           19.90%                    
Debt extinguishment costs           $ 33,500,000                   $ 4,000,000
Debt extinguishment charges           $ 800,000                    
Prepayment penalty         5.00%   2.00%                 2.00%
Prepayment penalty amount       $ 100,000                        
2014 Term Loan | Scenario, Forecast                                
Line of Credit Facility [Line Items]                                
Maximum total leverage ratio 3.00 3.25 4.50                          
Minimum interest coverage ratio 2.75 2.50 1.75                          
Minimum annualized consolidated EBITDA to quarterly consolidated EBITDA     2                          
2014 Term Loan | Subsequent Event                                
Line of Credit Facility [Line Items]                                
Debt Instrument, Amendment Fee                 $ 2,300,000              
2014 Term Loan | Professional Services Segment and Bemis                                
Line of Credit Facility [Line Items]                                
Amount of net proceeds from sale of business units retained for working capital purposes         $ 43,000,000.0                      
ABL Credit Facility                                
Line of Credit Facility [Line Items]                                
Current borrowing capacity                   $ 47,000,000           $ 47,000,000
Borrowing base               $ 150,000,000   62,500,000           62,500,000
Outstanding letters of credit                   $ 50,700,000 $ 35,200,000         50,700,000
ABL Credit Facility | Bank of America, N.A.                                
Line of Credit Facility [Line Items]                                
Debt extinguishment charges                               $ 900,000
Borrowing base         $ 100,000,000.0     $ 150,000,000.0                
Minimum fixed charge coverage ratio, Covenants Requirements                   1.15           1.15
Revolving Credit Facility | Minimum | Five Consecutive Day                                
Line of Credit Facility [Line Items]                                
Line of credit excess availability percentage               15.00%                
Excess availability amount               $ 15,000,000                
Revolving Credit Facility | Minimum | Anytime                                
Line of Credit Facility [Line Items]                                
Line of credit excess availability percentage               12.50%                
Excess availability amount               $ 12,500,000