XML 78 R62.htm IDEA: XBRL DOCUMENT
v3.19.1

Financial Information for Subsidiary and Guarantor Parent (Cash Flow) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Statement of Cash Flows |  |
Cash flows provided by (used in) operating activities | $ (130.0) | $ (47.1)
Investing Activities: |  |
Purchases of property, plant and equipment | (23.5) | (41.6)
Net receipts/(payments) on intercompany activity | 0.0 | 0.0
Asset disposals and other | (0.1) | 0.1
Cash used in investing activities | (23.6) | (41.5)
Financing Activities: |  |
Borrowings on long-term debt | 0.0 | 6.4
Payments on long-term debt and finance leases | (1.5) | (1.3)
Net borrowings under credit facilities | 0.0 | 50.9
Net receipts/(payments) on intercompany activity | 0.0 | 0.0
Sales to noncontrolling interests | 0.0 | 7.4
Shares repurchased for income tax withholding on share-based compensation and other | (9.9) | (6.5)
Cash (used in) provided by financing activities | (11.4) | 56.9
Decrease in cash and cash equivalents | (165.0) | (31.7)
Reportable Legal Entities | Parent Company |  |
Statement of Cash Flows |  |
Cash flows provided by (used in) operating activities | (53.5) | (51.2)
Investing Activities: |  |
Purchases of property, plant and equipment | (0.3) | (0.4)
Net receipts/(payments) on intercompany activity | 0.0 | 0.0
Asset disposals and other | (0.1) | 0.0
Cash used in investing activities | (0.4) | (0.4)
Financing Activities: |  |
Borrowings on long-term debt |  | 0.0
Payments on long-term debt and finance leases | (0.1) | (0.1)
Net borrowings under credit facilities |  | 0.0
Net receipts/(payments) on intercompany activity | 64.1 | 57.7
Sales to noncontrolling interests |  | 0.0
Shares repurchased for income tax withholding on share-based compensation and other | (9.9) | (6.5)
Cash (used in) provided by financing activities | 54.1 | 51.1
Decrease in cash and cash equivalents | 0.2 | (0.5)
Reportable Legal Entities | Subsidiary |  |
Statement of Cash Flows |  |
Cash flows provided by (used in) operating activities | (115.8) | (36.1)
Investing Activities: |  |
Purchases of property, plant and equipment | (2.4) | (7.3)
Net receipts/(payments) on intercompany activity | 0.0 | 0.0
Asset disposals and other | 0.0 | 0.1
Cash used in investing activities | (2.4) | (7.2)
Financing Activities: |  |
Borrowings on long-term debt |  | 0.0
Payments on long-term debt and finance leases | 0.0 | (0.1)
Net borrowings under credit facilities |  | 0.0
Net receipts/(payments) on intercompany activity | 119.9 | 30.4
Sales to noncontrolling interests |  | 4.7
Shares repurchased for income tax withholding on share-based compensation and other | 0.0 | 0.0
Cash (used in) provided by financing activities | 119.9 | 35.0
Decrease in cash and cash equivalents | 1.7 | (8.3)
Reportable Legal Entities | NonGuarantor Subsidiaries |  |
Statement of Cash Flows |  |
Cash flows provided by (used in) operating activities | 39.3 | 40.2
Investing Activities: |  |
Purchases of property, plant and equipment | (20.8) | (33.9)
Net receipts/(payments) on intercompany activity | (184.0) | (88.1)
Asset disposals and other | 0.0 | 0.0
Cash used in investing activities | (204.8) | (122.0)
Financing Activities: |  |
Borrowings on long-term debt |  | 6.4
Payments on long-term debt and finance leases | (1.4) | (1.1)
Net borrowings under credit facilities |  | 50.9
Net receipts/(payments) on intercompany activity | 0.0 | 0.0
Sales to noncontrolling interests |  | 2.7
Shares repurchased for income tax withholding on share-based compensation and other | 0.0 | 0.0
Cash (used in) provided by financing activities | (1.4) | 58.9
Decrease in cash and cash equivalents | (166.9) | (22.9)
Eliminations |  |
Statement of Cash Flows |  |
Cash flows provided by (used in) operating activities | 0.0 | 0.0
Investing Activities: |  |
Purchases of property, plant and equipment | 0.0 | 0.0
Net receipts/(payments) on intercompany activity | 184.0 | 88.1
Asset disposals and other | 0.0 | 0.0
Cash used in investing activities | 184.0 | 88.1
Financing Activities: |  |
Borrowings on long-term debt |  | 0.0
Payments on long-term debt and finance leases | 0.0 | 0.0
Net borrowings under credit facilities |  | 0.0
Net receipts/(payments) on intercompany activity | (184.0) | (88.1)
Sales to noncontrolling interests |  | 0.0
Shares repurchased for income tax withholding on share-based compensation and other | 0.0 | 0.0
Cash (used in) provided by financing activities | (184.0) | (88.1)
Decrease in cash and cash equivalents | $ 0.0 | $ 0.0

X
- Definition Net Receipts Payments on Intercompany Activity + References No definition available. + Details
Name: | ati_Netreceiptspaymentsonintercompanyactivity
Namespace Prefix: | ati_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Proceeds (Payments) from Intercompany Activites, Investing Activities + References No definition available. + Details
Name: | ati_ProceedsPaymentsfromIntercompanyActivitesInvestingActivities
Namespace Prefix: | ati_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes. + References No definition available. + Details
Name: | us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3521-108585 + Details
Name: | us-gaap_NetCashProvidedByUsedInFinancingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3521-108585 + Details
Name: | us-gaap_NetCashProvidedByUsedInInvestingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3536-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3521-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 + Details
Name: | us-gaap_NetCashProvidedByUsedInOperatingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cash (inflow) outflow from investing activities classified as other. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
Name: | us-gaap_PaymentsForProceedsFromOtherInvestingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash outflow to reacquire equity classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsForRepurchaseOfOtherEquity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireProductiveAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash inflow from issuance of long-term debt classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromMinorityShareholders
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash inflow (outflow) for debt classified as other. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
Name: | us-gaap_ProceedsFromRepaymentsOfOtherDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash outflow associated with security instruments that either represent a creditor or an ownership relationship with the holder of the investment security with a maturity of beyond one year or normal operating cycle, if longer. Includes repayments of (a) debt, (b) capital lease obligations, (c) mandatory redeemable capital securities, and (d) any combination of (a), (b), or (c). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
Name: | us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_StatementOfCashFlowsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ConsolidationItemsAxis=srt_ReportableLegalEntitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_SubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_NonGuarantorSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=srt_ConsolidationEliminationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |