Major Components of Inventories (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Inventory Disclosure [Line Items]
Raw materials and purchased components	$ 70,552	$ 61,296
Service parts, garments and accessories	95,110	77,437
Finished goods	196,691	175,252
Less: reserves	(17,357)	(15,943)
Inventories	$ 344,996	$ 298,042

The amount of the valuation account as of the balance sheet date which reduces the carrying amount of inventory to net realizable value; takes into consideration such factors as market value, excessive quantities based on expected sales, technological obsolescence, and shrinkage. May also provide for estimated product returns or price concessions pertaining to product cost.

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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Reference 7: http://www.xbrl.org/2003/role/presentationRef

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+ Details