Inventories (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013
Inventory Disclosure [Abstract]
Raw materials	$ 181,034	$ 158,963	$ 163,129
Work-in-process	125,290	104,811	117,559
Finished goods	364,261	333,978	353,426
Other	14,285	14,398	13,296
Inventory, Gross, Total	684,870	612,150	647,410
Adjustment to value inventory at cost on the LIFO method	(96,580)	(96,580)	(102,891)
Inventories	$ 588,290	$ 515,570	$ 544,519

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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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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount of difference between inventory at lower of LIFO cost or market and inventory at lower of other inventory accounting method cost or market, for example, but not limited to, FIFO or average cost.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed 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.

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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.

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

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