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Acquisitions - Narrative (Details) $ in Millions |  |  | 3 Months Ended | 4 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Jun. 03, 2016 CAD | Jun. 03, 2016 USD ($) facility | Jan. 05, 2016 USD ($) | Sep. 30, 2016 USD ($) | Sep. 30, 2015 USD ($) | Sep. 30, 2016 USD ($) | Sep. 30, 2016 USD ($) | Sep. 30, 2015 USD ($) | Dec. 31, 2015 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Payments to acquire business, net |  |  |  |  |  |  | $ 102.6 | $ 0.0 |
Goodwill |  |  |  | $ 238.3 |  | $ 238.3 | 238.3 |  | $ 231.6
Acquisition related costs |  |  |  |  |  |  | 0.9 |  |
Expense recognized relating to change in fair value of contingent consideration liability |  |  |  | 0.2 |  |  | 0.2 |  |
Expenses recognized in relation to accretion of discount on deferred payment obligation |  |  |  |  |  |  | 0.1 |  |
Net sales (expense) by JJE |  |  |  | 186.7 | $ 179.7 |  | 531.8 | 581.6 |
Sales to Joe Johnson Equipment |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Intercompany revenue |  |  |  |  | $ 12.1 |  | 21.6 | $ 41.8 |
Manufacturing Facility | JJE |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Number of facilities leased (facility) | facility |  | 2 |  |  |  |  |  |  |
Lease term | 5 years | 5 years |  |  |  |  |  |  |
Rent paid (less than) |  |  |  | 0.1 |  |  | 0.1 |  |
Environmental Solutions |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Goodwill |  |  |  | $ 126.9 |  | 126.9 | $ 126.9 |  | $ 120.4
Westech Vac Systems, Ltd. |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Percent of voting interest acquired |  |  | 100.00% |  |  |  |  |  |
Payments to acquire business, net |  |  | $ 6.0 |  |  |  |  |  |
Goodwill |  |  | 1.7 |  |  |  |  |  |
Intangible assets |  |  | $ 1.4 |  |  |  |  |  |
JJE |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Goodwill |  | $ 5.0 |  |  |  |  |  |  |
Cash consideration paid |  | 96.6 |  |  |  |  |  |  |
Deferred payment | CAD 8,000,000 | 6.1 |  |  |  |  |  |  |
Contingent earn-out payment | CAD 10,000,000 | $ 7.6 |  |  |  |  |  |  |
JJE | Environmental Solutions |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Net sales (expense) generated by JJE |  |  |  |  |  | 49.5 |  |  |
Income generated by JJE |  |  |  |  |  | 0.7 |  |  |
JJE | Environmental Solutions | Purchase accounting |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Net sales (expense) by JJE |  |  |  |  |  | (3.0) |  |  |
JJE | Environmental Solutions | Acquisition-related effects |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Net sales (expense) by JJE |  |  |  |  |  | $ (0.3) |  |  |

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