Nature of Operations and Summary of Significant Accounting Policies - Schedule of Inventory (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Raw materials	$ 275,161us-gaap_InventoryRawMaterials	$ 252,457us-gaap_InventoryRawMaterials
Work in process	17,705us-gaap_InventoryWorkInProcess	6,658us-gaap_InventoryWorkInProcess
Finished goods	275,863us-gaap_InventoryFinishedGoods	274,691us-gaap_InventoryFinishedGoods
Total	$ 568,729us-gaap_InventoryNet	$ 533,806us-gaap_InventoryNet

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 6

-Subparagraph a

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

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-Section 02

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