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Financing Arrangements (Detail)
 1 Months Ended 12 Months Ended
Dec. 31, 2015
JPY (¥)
shares
Jan. 31, 2016
Aug. 31, 2012
USD ($)
$ / shares
shares
Dec. 31, 2015
USD ($)
shares
Dec. 31, 2014
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2013
USD ($)
Dec. 31, 2012
USD ($)
Debt Instrument [Line Items]                
Asset-based credit facility, maximum borrowing capacity           $ 230,000,000    
Asset-based credit facility         $ 15,235,000 14,969,000    
Cash and cash equivalents         37,635,000 49,801,000 $ 36,793,000 $ 52,003,000
Maximum amount of consolidated funded indebtedness including borrowing outstanding         55,611,000 105,492,000    
Available liquidity         93,246,000 $ 155,293,000    
Line of credit facility conditional reduction in margin rate 0.25%         0.25%    
Convertible senior notes     $ 112,500,000          
Convertible senior notes interest rate     3.75%          
Convertible senior notes, transactional fees     $ 3,537,000          
Debt Conversion, Converted Instrument, Shares Issued | shares       15,000,000        
Debt Conversion, Converted Instrument, Amortization of Debt Discount (Premium)       $ 108,955,000        
Amortized Debt Issuance Expense       2,042,000        
Convertible senior notes, net carrying amount         108,574,000      
Convertible senior notes, unamortized discount         3,926,000 $ 3,395,000    
Convertible senior notes, total interest and amortization expense recognized       $ 3,158,000 4,957,000      
Convertible senior notes convertible latest date       Aug. 15, 2019        
Maximum Number Of Shares Upon Conversion Of Convertible Debt | shares 0   15,000,000          
Initial conversion rate, number of common stock issuable       0.1333        
Conversion price per share | $ / shares     $ 7.50          
Unamortized Advisory Fee                
Debt Instrument [Line Items]                
Unamortized, transaction Fees         2,358,000 0    
Unamortized Advisory Fee | Other current assets                
Debt Instrument [Line Items]                
Unamortized, transaction Fees         505,000      
Unamortized Advisory Fee | Other Long Term Assets                
Debt Instrument [Line Items]                
Unamortized, transaction Fees         1,853,000      
United States                
Debt Instrument [Line Items]                
Asset-based credit facility, maximum borrowing capacity           160,000,000    
Canada                
Debt Instrument [Line Items]                
Asset-based credit facility, maximum borrowing capacity           25,000,000    
United Kingdom                
Debt Instrument [Line Items]                
Asset-based credit facility, maximum borrowing capacity           $ 45,000,000    
Minimum                
Debt Instrument [Line Items]                
Applicable margin rate reduction, (in percent) 67.00%         67.00%    
Maximum                
Debt Instrument [Line Items]                
Amount of EBITDA to reduce applicable margin       4        
Bank of America, N.A.                
Debt Instrument [Line Items]                
Asset-based credit facility           $ 0    
Maximum amount of consolidated funded indebtedness including borrowing outstanding           88,860,000    
Average outstanding borrowing       $ 37,352,000        
Average available liquidity           $ 123,846,000    
Asset-based credit facility, maturity date       Jun. 23, 2019        
Line of Credit Facility, Dividend Restrictions       In addition, the ABL Facility imposes restrictions on the amount the Company could pay in annual cash dividends, including meeting certain restrictions on the amount of additional indebtedness and requirements to maintain a certain fixed charge coverage ratio under certain circumstances        
Period fixed charge cover ratio must be in compliance if borrowing base falls below threshold       30 days        
Debt instrument fixed charge coverage       $ 23,000,000        
Description of condition to reduce applicable margin to interest rate       The applicable margin for any month will be reduced by 0.25% if the Company’s availability ratio is greater than or equal to 67% and the Company’s “leverage ratio” (as defined below) is less than 4.0 to 1.0 as of the last day of the month for which financial statements have been delivered, so long as no default or event of default exists.        
Asset-based credit facility, interest rate 4.43%         4.43%    
Asset-based credit facility, origination fees           $ 4,961,000    
Unamortized origination fees         2,233,000 1,781,000    
Asset-based credit facility, origination fees included in other current assets         496,000 509,000    
Asset-based credit facility, origination fees included in other long-term assets         $ 1,737,000 1,272,000    
Bank of America, N.A. | Minimum                
Debt Instrument [Line Items]                
Asset-based credit facility, monthly fees       0.25%        
Bank of America, N.A. | Maximum                
Debt Instrument [Line Items]                
Asset-based credit facility, monthly fees       0.375%        
The Bank Of Tokyo-Mitsubishi UFG Ltd                
Debt Instrument [Line Items]                
Asset-based credit facility, maximum borrowing capacity ¥ 2,000,000,000         16,632,000    
Asset-based credit facility           14,969,000    
Maximum amount of consolidated funded indebtedness including borrowing outstanding           $ 16,632,000    
Asset-based credit facility, interest rate 1.48%         1.48%    
Debt instrument term       1 year        
The Bank Of Tokyo-Mitsubishi UFG Ltd | Subsequent event                
Debt Instrument [Line Items]                
Asset-based credit facility, maturity date   Jan. 22, 2018            
Description of condition to reduce applicable margin to interest rate   subject to an effective interest rate equal to TIBOR plus 0.25%.            
Debt instrument term   2 years            
Tokyo Interbank Offered Rate (TIBOR) [Member] | The Bank Of Tokyo-Mitsubishi UFG Ltd | Subsequent event                
Debt Instrument [Line Items]                
Debt Instrument, Interest Rate, Effective Percentage   0.25%