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Restructuring and Related Costs - Cumulative Restructuring and Related Charges (Details) $ in Millions | Jul. 31, 2018 USD ($)
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Restructuring Cost and Reserve [Line Items] |
Cumulative charges | $ 86.7
GCA Restructuring Program |
Restructuring Cost and Reserve [Line Items] |
Cumulative charges | 19.6
2020 Vision Restructuring Program |
Restructuring Cost and Reserve [Line Items] |
Cumulative charges | 67.1
External Support Fees |
Restructuring Cost and Reserve [Line Items] |
Cumulative charges | 32.0
External Support Fees | GCA Restructuring Program |
Restructuring Cost and Reserve [Line Items] |
Cumulative charges | 2.0
External Support Fees | 2020 Vision Restructuring Program |
Restructuring Cost and Reserve [Line Items] |
Cumulative charges | 30.0
Employee Severance |
Restructuring Cost and Reserve [Line Items] |
Cumulative charges | 26.3
Employee Severance | GCA Restructuring Program |
Restructuring Cost and Reserve [Line Items] |
Cumulative charges | 12.8
Employee Severance | 2020 Vision Restructuring Program |
Restructuring Cost and Reserve [Line Items] |
Cumulative charges | 13.5
Other Project Fees |
Restructuring Cost and Reserve [Line Items] |
Cumulative charges | 15.5
Other Project Fees | GCA Restructuring Program |
Restructuring Cost and Reserve [Line Items] |
Cumulative charges | 4.9
Other Project Fees | 2020 Vision Restructuring Program |
Restructuring Cost and Reserve [Line Items] |
Cumulative charges | 10.7
Lease Exit |
Restructuring Cost and Reserve [Line Items] |
Cumulative charges | 7.7
Lease Exit | GCA Restructuring Program |
Restructuring Cost and Reserve [Line Items] |
Cumulative charges | 0.0
Lease Exit | 2020 Vision Restructuring Program |
Restructuring Cost and Reserve [Line Items] |
Cumulative charges | 7.7
Asset Impairment |
Restructuring Cost and Reserve [Line Items] |
Cumulative charges | 5.2
Asset Impairment | GCA Restructuring Program |
Restructuring Cost and Reserve [Line Items] |
Cumulative charges | 0.0
Asset Impairment | 2020 Vision Restructuring Program |
Restructuring Cost and Reserve [Line Items] |
Cumulative charges | $ 5.2

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- Definition Amount of costs incurred to date for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
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