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Income Taxes - Operating Loss Carry Forwards (Detail) $ in Millions | Dec. 31, 2016 USD ($)
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Income Taxes [Line Items] |
Total net operating loss carryforwards | $ 253.8
State [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 122.4
Foreign [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 131.4
2017 - 2021 [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 37.6
2017 - 2021 [Member] | Foreign [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 37.6
2022 - 2026 [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 6.8
2022 - 2026 [Member] | State [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 0.3
2022 - 2026 [Member] | Foreign [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 6.5
2027 - 2031 [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 159.7
2027 - 2031 [Member] | State [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 122.1
2027 - 2031 [Member] | Foreign [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 37.6
Indefinite [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 49.7
Indefinite [Member] | Foreign [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | $ 49.7

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68052875&loc=d3e28680-109314 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32621-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32632-109319 + Details
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