Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Earnings Per Share
Net earnings	$ 72,466	$ 69,487	$ 196,338	$ 167,434
Total weighted average basic shares	168,725,000	182,756,000	173,528,000	184,598,000
Dilutive securities:
Stock option and stock award programs (in shares)	5,037,000	5,740,000	4,750,000	5,303,000
Total Weighted average diluted shares	173,762,000	188,496,000	178,278,000	189,901,000
Earnings per share:
Basic (in dollars per share)	$ 0.43	$ 0.38	$ 1.13	$ 0.91
Diluted (in dollars per share)	$ 0.42	$ 0.37	$ 1.10	$ 0.88
Common stock potentially outstanding but not included in the computation of diluted earnings per share
Options to purchase shares not included in the computation of diluted earnings per share since the options were anti-dilutive (in shares)				44,340