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Acquisitions and Disposals - Additional Information (Detail) (USD $)
 0 Months Ended 3 Months Ended
Dec. 30, 2013
Mar. 31, 2014
Business Acquisition [Line Items]    
Loss on sale of discontinued operations   $ 12,083,000
Proceeds from sale of business   31,609,000
Permalok Corporation [Member]
    
Business Acquisition [Line Items]    
Business acquisition date   Dec. 30, 2013
Business acquisition, percentage 100.00%  
Business acquisition (net of received), amount paid 15,700,000  
Business acquisition, goodwill 5,300,000  
Disposal of OCTG Business [Member]
    
Business Acquisition [Line Items]    
Proceeds from sale of business   42,700,000
Loss on sale of discontinued operations   12,083,000
Proceeds held in escrow for indemnification obligations under the purchase agreement   4,300,000
Payment of capital lease obligations at closing date   5,000,000
Goodwill written off related to sale of business   4,400,000
Transaction costs   1,800,000
Proceeds from sale of business   31,600,000
Accrued Liabilities [Member] | Permalok Corporation [Member]
    
Business Acquisition [Line Items]    
Business acquisition, contingent consideration recorded   1,400,000
Other Long-term Liabilities [Member] | Permalok Corporation [Member]
    
Business Acquisition [Line Items]    
Business acquisition, contingent consideration recorded   $ 3,100,000