Fair Value Measurements (Tables)

6 Months Ended

Mar. 31, 2013

Fair Value Measurements

Schedule of company's fair value hierarchy for its financial assets and liabilities measured at fair value on a recurring basis

	September 30, 2012
	Fair Value Measurements at Reporting Date Using:
Assets:	Level 1		Level 2		Level 3		Total
Cash and money market funds	$	46,740	$	—	$	—	$	46,740
U.S. Pension plan assets
U.S. common stock mutual fund	30,239		—		—		30,239
Common /collective funds
Bonds	—		62,554		—		62,554
Short-term money market	—		6,762		—		6,762
U.S. common stock	—		59,677		—		59,677
International equity	—		7,053		—		7,053
	30,239		136,046		—		166,285
U.K. Plan Assets
Equity funds	6,322		—		—		6,322
Bond funds	7,297		—		—		7,297
Other funds	2,107		—		—		2,107
	15,726		—		—		15,726
Total pension plan assets	45,965		136,046		—		182,011
Total fair value	$	92,705	$	136,046	$	—	$	228,751

	March 31, 2013
	Fair Value Measurements at Reporting Date Using:
Assets:	Level 1		Level 2		Level 3		Total
Cash and money market funds	$	48,011	$	—	$	—	$	48,011
U.S. Pension plan assets
U.S. common stock mutual fund	36,736		—		—		36,736
Common /collective funds
Bonds	—		66,233		—		66,233
Short-term money market	—		2,061		—		2,061
U.S. common stock	—		65,143		—		65,143
International equity	—		7,646		—		7,646
	36,736		141,083		—		177,819
U.K. Plan Assets
Equity funds	6,603		—		—		6,603
Bond funds	2,261		—		—		2,261
Other funds	7,521		—		—		7,521
	16,385		—		—		16,385
Total pension plan assets	53,121		141,083		—		194,204
Total fair value	$	101,132	$	141,083	$	—	$	242,215