Quarterly Results of Operations - Additional Information (Detail) - USD ($)
$ in Millions |
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3 Months Ended |
6 Months Ended |
12 Months Ended |
Jun. 30, 2015 |
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Jun. 30, 2016 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Schedule Of Quarterly Financial Information [Line Items] |
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| Workforce reduction, recognized aggregate charge |
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$ 0.2
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$ 0.4
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$ 21.1
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$ 21.7
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| Pre-tax impairment charge to write down |
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12.0
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| Valuation allowance |
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$ (2.2)
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159.0
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| Income tax expense related to increase in reserve for uncertain tax positions |
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$ 2.4
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2.4
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$ 0.7
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$ (5.1)
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| US-Canada APA |
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| Schedule Of Quarterly Financial Information [Line Items] |
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| U.S.-Canada APA |
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2.2
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$ (5.6)
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$ (3.4)
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| Other Operating Income (Expense), Net |
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| Schedule Of Quarterly Financial Information [Line Items] |
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| Income received from settlement of business interruption insurance claim |
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0.9
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$ 1.4
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$ 2.0
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$ 3.4
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| Germany and Belgian |
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| Schedule Of Quarterly Financial Information [Line Items] |
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| Valuation allowance |
$ 150.3
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$ (4.3)
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$ (0.8)
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$ 2.9
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$ 6.4
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$ 2.3
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$ 150.3
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