Share-Based Compensation Expense - Stock Options Outstanding (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Oct. 31, 2014
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)	$ 47.32
Number of Shares, Vested Options (in shares)	1,288
Weighted Average, Vested Options Remaining Contractual Life (Years)	2 years 3 months 15 days
Weighted Average Exercise Price, Vested Options (per share)	$ 25.43
Aggregate Intrinsic Value, Vested Options	$ 1,389
$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, Vested Options (in shares)	154
Weighted Average, Vested Options Remaining Contractual Life (Years)	3 years 3 months 11 days
Weighted Average Exercise Price, Vested Options (per share)	$ 8.03
Aggregate Intrinsic Value, Vested Options	1,347
$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, Vested Options (in shares)	184
Weighted Average, Vested Options Remaining Contractual Life (Years)	0 years 11 months 12 days
Weighted Average Exercise Price, Vested Options (per share)	$ 16.55
Aggregate Intrinsic Value, Vested Options	42
$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, Vested Options (in shares)	195
Weighted Average, Vested Options Remaining Contractual Life (Years)	1 year 2 months 9 days
Weighted Average Exercise Price, Vested Options (per share)	$ 18.71
Aggregate Intrinsic Value, Vested Options	0
$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, Vested Options (in shares)	284
Weighted Average, Vested Options Remaining Contractual Life (Years)	2 years 4 months 2 days
Weighted Average Exercise Price, Vested Options (per share)	$ 27.31
Aggregate Intrinsic Value, Vested Options	0
$28.61 to $32.55
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)	$ 32.55
Number of Shares, Vested Options (in shares)	109
Weighted Average, Vested Options Remaining Contractual Life (Years)	2 years 8 months 5 days
Weighted Average Exercise Price, Vested Options (per share)	$ 29.96
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, Vested Options (in shares)	248
Weighted Average, Vested Options Remaining Contractual Life (Years)	3 years 0 months 18 days
Weighted Average Exercise Price, Vested Options (per share)	$ 35.24
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, Vested Options (in shares)	114
Weighted Average, Vested Options Remaining Contractual Life (Years)	2 years 9 months 11 days
Weighted Average Exercise Price, Vested Options (per share)	$ 44.33
Aggregate Intrinsic Value, Vested Options	$ 0