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Acquisitions Narrative (Details) CAD in Millions, $ in Millions |  |  | 7 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jun. 03, 2016 CAD | Jun. 03, 2016 USD ($) facility | Jan. 05, 2016 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |
Acquisition related costs |  |  |  |  | $ 0.9 |  |
Expense recognized relating to change in fair value of contingent consideration liability |  |  |  |  | 0.4 |  |
Payments to acquire business, net |  |  |  |  | 102.6 | $ 0.0 | $ 0.0
Goodwill |  |  |  | $ 236.5 | 236.5 | 231.6 | 235.2
Expenses recognized in relation to accretion of discount on deferred payment obligation |  |  |  |  | 0.1 |  |
Environmental Solutions [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Goodwill |  |  |  | 127.2 | 127.2 | 120.4 | 120.4
Safety And Security Systems [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Goodwill |  |  |  | 109.3 | 109.3 | 111.2 | $ 114.8
Joe Johnson Equipment [Member] | Manufacturing Facility [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Lessee Leasing Arrangements, Operating Leases, Number of Units | facility |  | 2 |  |  |  |  |
Lessee Leasing Arrangements, Operating Leases, Term of Contract | 5 years | 5 years |  |  |  |  |
Payments for Rent |  |  |  |  | 0.2 |  |
Ingenieria Y Servicios Orbitec SPA [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Revenue from Related Parties |  |  |  |  | 1.7 |  |
Joe Johnson Equipment [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Revenue from Related Parties |  |  |  |  | $ 21.6 | $ 54.8 |
Westech Vac Systems, Ltd. (“Westech”) [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  | 100.00% |  |  |  |
Payments to acquire business, net |  |  | $ 6.0 |  |  |  |
Goodwill |  |  | 1.9 |  |  |  |
Intangible assets |  |  | $ 1.4 |  |  |  |
Joe Johnson Equipment [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Goodwill |  | $ 5.2 |  |  |  |  |
Intangible assets |  | 8.4 |  |  |  |  |
Purchase price, inclusive of working capital adjustment |  | 96.6 |  |  |  |  |
Acquisition Deferred Payment | CAD 8.0 | 6.0 |  |  |  |  |
Acquisition contingent earn-out | CAD 10.0 | $ 7.4 |  |  |  |  |
Joe Johnson Equipment [Member] | Environmental Solutions [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual |  |  |  | 87.2 |  |  |
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual |  |  |  | 1.9 |  |  |
Joe Johnson Equipment [Member] | Purchase Accounting Adjustments [Member] | Environmental Solutions [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions, Expenses and Losses Recognized |  |  |  | 3.8 |  |  |
Joe Johnson Equipment [Member] | Acquisition-related Costs [Member] | Environmental Solutions [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions, Expenses and Losses Recognized |  |  |  | $ 0.5 |  |  |

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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 + Details
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