Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Oct. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Data

	First		Second		Third		Fourth
2017:
Sales	$	407,470	$	496,137	$	589,438	$	573,938
Gross margin		225,138		275,512		326,265		312,088
Net income		49,988		64,523		101,456		79,835
Earnings per share:
Basic		0.87		1.12		1.76		1.38
Diluted		0.86		1.11		1.74		1.37
2016:
Sales	$	372,220	$	437,592	$	489,899	$	509,283
Gross margin		196,907		248,405		273,220		274,967
Net income		41,161		70,601		84,214		75,867
Earnings per share:
Basic		0.72		1.24		1.48		1.33
Diluted		0.72		1.23		1.46		1.31