Consolidated Statements of Earnings - USD ($) shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
Consolidated Statements of Earnings
Net sales	$ 976,358	$ 998,161	$ 980,067	$ 998,032	$ 964,230	$ 967,890	$ 937,755	$ 964,468	$ 3,952,618	$ 3,834,343	$ 3,753,498
Cost of products sold and distribution expenses									1,988,678	1,936,492	1,893,326
Gross profit	483,441	498,976	487,474	494,049	475,311	481,319	467,452	473,769	1,963,940	1,897,851	1,860,172
Selling, general and administrative expenses									1,365,986	1,313,134	1,273,513
Depreciation and amortization									99,657	89,391	79,663
Operating earnings									498,297	495,326	506,996
Interest expense									144,237	116,842	116,317
Earnings before provision for income taxes									354,060	378,484	390,679
Provision for income taxes									131,118	143,397	144,686
Net earnings	$ 52,621	$ 67,919	$ 60,159	$ 42,243	$ 56,180	$ 62,463	$ 61,535	$ 54,909	$ 222,942	$ 235,087	$ 245,993
Basic earnings per share (in dollars per share)	$ 0.36	$ 0.47	$ 0.41	$ 0.28	$ 0.36	$ 0.40	$ 0.39	$ 0.35	$ 1.51	$ 1.50	$ 1.54
Diluted earnings per share (in dollars per share)	$ 0.36	$ 0.46	$ 0.41	$ 0.28	$ 0.36	$ 0.39	$ 0.39	$ 0.35	$ 1.50	$ 1.49	$ 1.51
Weighted average shares:
Basic (in shares)									147,179	156,353	159,933
Diluted (in shares)									148,803	158,226	163,419