Segment Reporting (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Revenues:      
Rental $ 121,028 $ 94,080  
Sales 6,724 7,866  
Other 4,877 458  
Total revenues 132,629 102,404  
Costs and expenses:      
Rental, selling and general expenses 83,982 68,356  
Cost of sales 4,197 5,553  
Restructuring expenses 483 585 3,542
Asset impairment charge, net 64,726 283  
Depreciation and amortization 15,539 9,145  
Total costs and expenses 168,927 83,922  
(Loss) income from operations (36,298) 18,482  
Interest expense, net of interest income 9,059 6,987  
Income tax (benefit) provision (18,031) 4,054  
Portable Storage      
Revenues:      
Rental 99,004 94,080  
Sales 5,962 7,866  
Other 1,529 458  
Total revenues 106,495 102,404  
Costs and expenses:      
Rental, selling and general expenses 67,232 68,356  
Cost of sales 3,864 5,553  
Restructuring expenses 217 585  
Asset impairment charge, net 64,726 283  
Depreciation and amortization 9,466 9,145  
Total costs and expenses 145,505 83,922  
(Loss) income from operations (39,010) 18,482  
Interest expense, net of interest income 6,367 6,987  
Income tax (benefit) provision (18,039) 4,054  
Portable Storage | North America      
Revenues:      
Rental 78,984 75,483  
Sales 4,983 6,578  
Other 1,439 354  
Total revenues 85,406 82,415  
Costs and expenses:      
Rental, selling and general expenses 53,580 54,707  
Cost of sales 3,122 4,590  
Restructuring expenses 217 397  
Asset impairment charge, net 64,726 159  
Depreciation and amortization 7,890 7,418  
Total costs and expenses 129,535 67,271  
(Loss) income from operations (44,129) 15,144  
Interest expense, net of interest income 6,149 6,717  
Income tax (benefit) provision (18,998) 3,299  
Portable Storage | United Kingdom      
Revenues:      
Rental 20,020 18,597  
Sales 979 1,288  
Other 90 104  
Total revenues 21,089 19,989  
Costs and expenses:      
Rental, selling and general expenses 13,652 13,649  
Cost of sales 742 963  
Restructuring expenses   188  
Asset impairment charge, net   124  
Depreciation and amortization 1,576 1,727  
Total costs and expenses 15,970 16,651  
(Loss) income from operations 5,119 3,338  
Interest expense, net of interest income 218 270  
Income tax (benefit) provision 959 755  
Specialty Containment      
Revenues:      
Rental 22,024    
Sales 762    
Other 3,348    
Total revenues 26,134    
Costs and expenses:      
Rental, selling and general expenses 16,750    
Cost of sales 333    
Restructuring expenses 266    
Depreciation and amortization 6,073    
Total costs and expenses 23,422    
(Loss) income from operations 2,712    
Interest expense, net of interest income 2,692    
Income tax (benefit) provision $ 8