Annual report pursuant to Section 13 and 15(d)

The Company and Summary of Significant Accounting Policies - Carrying Amounts and Classification of Assets and Liabilities for VIEs (Detail)

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The Company and Summary of Significant Accounting Policies - Carrying Amounts and Classification of Assets and Liabilities for VIEs (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Variable Interest Entity [Line Items]    
Current assets $ 1,014,928 $ 940,312
Noncurrent assets 393,642 399,908
Total assets 1,408,570 1,340,220
Current liabilities 310,422 292,541
Noncurrent liabilities 118,228 128,590
Total liabilities 428,650 421,131
Variable interest entity, primary beneficiary [Member] | HF Logistics-SKX, LLC [Member]
    
Variable Interest Entity [Line Items]    
Current assets 3,076 5,239
Noncurrent assets 129,796 133,235
Total assets 132,872 138,474
Current liabilities 1,835 1,958
Noncurrent liabilities 79,389 80,678
Total liabilities 81,224 82,636
Variable interest entity, primary beneficiary [Member] | Distribution joint ventures [Member]
    
Variable Interest Entity [Line Items]    
Current assets 49,835 34,781
Noncurrent assets 9,209 7,978
Total assets 59,044 42,759
Current liabilities 15,687 13,222
Noncurrent liabilities 32 34
Total liabilities $ 15,719 $ 13,256