XML 28 R36.htm IDEA: XBRL DOCUMENT

Schedule of Revenues and Long-Lived Assets, by Domestic and Foreign Operations Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2012	Oct. 31, 2011	Jan. 31, 2012
Segment Reporting Information [Line Items]
Total property and equipment, net	$ 734,793	$ 670,752	$ 734,793	$ 670,752	$ 684,979
Total net sales	692,894	609,953	1,938,093	1,743,153
Domestic Operations
Segment Reporting Information [Line Items]
Total property and equipment, net	588,348	549,998	588,348	549,998	557,512
Total net sales	602,810	536,937	1,690,638	1,538,843
Foreign Operations
Segment Reporting Information [Line Items]
Total property and equipment, net	146,445	120,754	146,445	120,754	127,467
Total net sales	$ 90,084	$ 73,016	$ 247,455	$ 204,310

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References+ Details