XML 55 R44.htm IDEA: XBRL DOCUMENT v3.5.0.2
Schedule of Revenues and Long-Lived Assets, by Domestic and Foreign Operations Segment (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jul. 31, 2016
Jul. 31, 2015
Jul. 31, 2016
Jul. 31, 2015
Jan. 31, 2016
Segment Reporting Information [Line Items]          
Total property and equipment, net $ 878,607 $ 900,302 $ 878,607 $ 900,302 $ 863,137
Total net sales 890,568 867,460 1,653,145 1,606,470  
Domestic Operations          
Segment Reporting Information [Line Items]          
Total property and equipment, net 766,189 760,042 766,189 760,042 742,171
Total net sales 778,487 756,487 1,451,850 1,406,205  
Foreign Operations          
Segment Reporting Information [Line Items]          
Total property and equipment, net 112,418 140,260 112,418 140,260 $ 120,966
Total net sales $ 112,081 $ 110,973 $ 201,295 $ 200,265