Share-Based Compensation Expense (Details 1) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Summarizes information with respect to stock options outstanding
Range of Exercise Price, Lower (in dollars per share)	$ 0.94
Range of Exercise Price, Upper (in dollars per share)	$ 55.79
Number of Shares, Options Outstanding (in shares)	2,102
Weighted Average, Outstanding Options Remaining Contractual Life (Years)	2 years 4 months 6 days
Weighted Average Exercise Price, Options Outstanding (per share)	$ 27.46	$ 27.58	$ 30.01	$ 40.96
Aggregate Intrinsic Value, Options Outstanding	$ 5,959
Number of Shares, Vested Options (in shares)	2,101
Weighted Average, Vested Options Remaining Contractual Life (Years)	2 years 4 months 6 days
Weighted Average Exercise Price, Vested Options (per share)	$ 27.47
Aggregate Intrinsic Value, Vested Options	5,945
$0.94 to $16.31
Summarizes information with respect to stock options outstanding
Range of Exercise Price, Lower (in dollars per share)	$ 0.94
Range of Exercise Price, Upper (in dollars per share)	$ 16.31
Number of Shares, Options Outstanding (in shares)	197
Weighted Average, Outstanding Options Remaining Contractual Life (Years)	4 years 1 month 10 days
Weighted Average Exercise Price, Options Outstanding (per share)	$ 8.62
Aggregate Intrinsic Value, Options Outstanding	2,893
Number of Shares, Vested Options (in shares)	196
Weighted Average, Vested Options Remaining Contractual Life (Years)	4 years 1 month 2 days
Weighted Average Exercise Price, Vested Options (per share)	$ 8.60
Aggregate Intrinsic Value, Vested Options	2,879
$16.52 to $17.29
Summarizes information with respect to stock options outstanding
Range of Exercise Price, Lower (in dollars per share)	$ 16.52
Range of Exercise Price, Upper (in dollars per share)	$ 17.29
Number of Shares, Options Outstanding (in shares)	300
Weighted Average, Outstanding Options Remaining Contractual Life (Years)	1 year 8 months 5 days
Weighted Average Exercise Price, Options Outstanding (per share)	$ 16.64
Aggregate Intrinsic Value, Options Outstanding	1,981
Number of Shares, Vested Options (in shares)	300
Weighted Average, Vested Options Remaining Contractual Life (Years)	1 year 8 months 5 days
Weighted Average Exercise Price, Vested Options (per share)	$ 16.64
Aggregate Intrinsic Value, Vested Options	1,981
$17.43 to $24.50
Summarizes information with respect to stock options outstanding
Range of Exercise Price, Lower (in dollars per share)	$ 17.43
Range of Exercise Price, Upper (in dollars per share)	$ 24.5
Number of Shares, Options Outstanding (in shares)	403
Weighted Average, Outstanding Options Remaining Contractual Life (Years)	1 year 5 months 16 days
Weighted Average Exercise Price, Options Outstanding (per share)	$ 20.60
Aggregate Intrinsic Value, Options Outstanding	1,085
Number of Shares, Vested Options (in shares)	403
Weighted Average, Vested Options Remaining Contractual Life (Years)	1 year 5 months 16 days
Weighted Average Exercise Price, Vested Options (per share)	$ 20.60
Aggregate Intrinsic Value, Vested Options	1,085
$24.69 to $28.28
Summarizes information with respect to stock options outstanding
Range of Exercise Price, Lower (in dollars per share)	$ 24.69
Range of Exercise Price, Upper (in dollars per share)	$ 28.28
Number of Shares, Options Outstanding (in shares)	347
Weighted Average, Outstanding Options Remaining Contractual Life (Years)	3 years 0 months 4 days
Weighted Average Exercise Price, Options Outstanding (per share)	$ 27.02
Aggregate Intrinsic Value, Options Outstanding	0
Number of Shares, Vested Options (in shares)	347
Weighted Average, Vested Options Remaining Contractual Life (Years)	3 years 0 months 4 days
Weighted Average Exercise Price, Vested Options (per share)	$ 27.02
Aggregate Intrinsic Value, Vested Options	0
$28.61 to $31.43
Summarizes information with respect to stock options outstanding
Range of Exercise Price, Lower (in dollars per share)	$ 28.61
Range of Exercise Price, Upper (in dollars per share)	$ 31.43
Number of Shares, Options Outstanding (in shares)	157
Weighted Average, Outstanding Options Remaining Contractual Life (Years)	2 years 8 months 12 days
Weighted Average Exercise Price, Options Outstanding (per share)	$ 29.53
Aggregate Intrinsic Value, Options Outstanding	0
Number of Shares, Vested Options (in shares)	157
Weighted Average, Vested Options Remaining Contractual Life (Years)	2 years 8 months 12 days
Weighted Average Exercise Price, Vested Options (per share)	$ 29.53
Aggregate Intrinsic Value, Vested Options	0
$31.71 to $32.55
Summarizes information with respect to stock options outstanding
Range of Exercise Price, Lower (in dollars per share)	$ 31.71
Range of Exercise Price, Upper (in dollars per share)	$ 32.55
Number of Shares, Options Outstanding (in shares)	21
Weighted Average, Outstanding Options Remaining Contractual Life (Years)	4 years 1 month 17 days
Weighted Average Exercise Price, Options Outstanding (per share)	$ 31.92
Aggregate Intrinsic Value, Options Outstanding	0
Number of Shares, Vested Options (in shares)	21
Weighted Average, Vested Options Remaining Contractual Life (Years)	4 years 1 month 17 days
Weighted Average Exercise Price, Vested Options (per share)	$ 31.92
Aggregate Intrinsic Value, Vested Options	0
$33.00 to $37.10
Summarizes information with respect to stock options outstanding
Range of Exercise Price, Lower (in dollars per share)	$ 33
Range of Exercise Price, Upper (in dollars per share)	$ 37.1
Number of Shares, Options Outstanding (in shares)	288
Weighted Average, Outstanding Options Remaining Contractual Life (Years)	3 years 6 months 18 days
Weighted Average Exercise Price, Options Outstanding (per share)	$ 35.17
Aggregate Intrinsic Value, Options Outstanding	0
Number of Shares, Vested Options (in shares)	288
Weighted Average, Vested Options Remaining Contractual Life (Years)	3 years 6 months 18 days
Weighted Average Exercise Price, Vested Options (per share)	$ 35.17
Aggregate Intrinsic Value, Vested Options	0
$37.31 to $47.32
Summarizes information with respect to stock options outstanding
Range of Exercise Price, Lower (in dollars per share)	$ 37.31
Range of Exercise Price, Upper (in dollars per share)	$ 47.32
Number of Shares, Options Outstanding (in shares)	378
Weighted Average, Outstanding Options Remaining Contractual Life (Years)	1 year 2 months 16 days
Weighted Average Exercise Price, Options Outstanding (per share)	$ 45.99
Aggregate Intrinsic Value, Options Outstanding	0
Number of Shares, Vested Options (in shares)	378
Weighted Average, Vested Options Remaining Contractual Life (Years)	1 year 2 months 16 days
Weighted Average Exercise Price, Vested Options (per share)	$ 45.99
Aggregate Intrinsic Value, Vested Options	0
$47.53 to $55.79
Summarizes information with respect to stock options outstanding
Range of Exercise Price, Lower (in dollars per share)	$ 47.53
Range of Exercise Price, Upper (in dollars per share)	$ 55.79
Number of Shares, Options Outstanding (in shares)	11
Weighted Average, Outstanding Options Remaining Contractual Life (Years)	0 years 1 month 6 days
Weighted Average Exercise Price, Options Outstanding (per share)	$ 49.64
Aggregate Intrinsic Value, Options Outstanding	0
Number of Shares, Vested Options (in shares)	11
Weighted Average, Vested Options Remaining Contractual Life (Years)	0 years 1 month 6 days
Weighted Average Exercise Price, Vested Options (per share)	$ 49.64
Aggregate Intrinsic Value, Vested Options	$ 0