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Segment Information - Segment Information Classified Based on Geographic Location (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | [1] | Jun. 30, 2016 | [1] | Mar. 31, 2016 | [1] | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 247.6 | $ 248.7 | $ 224.4 | $ 177.8 | $ 176.1 | [1] | $ 186.7 | $ 172.3 | $ 172.8 | $ 898.5 | $ 707.9 | $ 768.0
Long-lived assets (excluding deferred tax and intangible assets) | 152.7 |  |  |  | 127.6 |  |  |  |  | 152.7 | 127.6 | 56.2
U.S. |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 674.1 | 510.2 | 576.8
Long-lived assets (excluding deferred tax and intangible assets) | 97.0 |  |  |  | 78.7 |  |  |  |  | 97.0 | 78.7 | 53.3
Canada |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 142.6 | 111.5 | 75.9
Long-lived assets (excluding deferred tax and intangible assets) | 52.3 |  |  |  | 46.1 |  |  |  |  | 52.3 | 46.1 | 0.0
Europe/Other |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 81.8 | 86.2 | 115.3
Europe |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Long-lived assets (excluding deferred tax and intangible assets) | 3.1 |  |  |  | 2.5 |  |  |  |  | 3.1 | 2.5 | 2.6
Other |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Long-lived assets (excluding deferred tax and intangible assets) | $ 0.3 |  |  |  | $ 0.3 |  |  |  |  | $ 0.3 | $ 0.3 | $ 0.3
[1] | The adoption of ASU 2016-09 in the fourth quarter of 2016 did not impact the previously-reported quarterly results for 2016.

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