Condensed Consolidated Statements Of Financial Position (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jul. 01, 2012	Sep. 30, 2011
Statement of Financial Position [Abstract]
Trade accounts receivable, allowances	$ 14,288	$ 14,128
Accumulated depreciation	$ 127,271	$ 107,357
Common stock, par value	$ 0	$ 0
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	52,678,000	52,431,000
Common stock, shares outstanding	51,363,000	52,226,000
Treasury stock, shares	1,316,000	205,000