|
| | | | | | | | | | | | | | | | | | | | | | | |
| Post- retirement benefit plans | | Currency translation adjustment | | Unrealized holding gains on securities | | Derivatives | | | Deferred Tax Asset Valuation Allowance | | Total |
Attributable to ATI: | | | | | | | | | | | | | | | | |
Balance, December 31, 2013 | $ | (718.9 | ) | | $ | 15.3 |
| | $ | — |
| | $ | (9.6 | ) | | $ | — |
| | $ | (713.2 | ) |
OCI before reclassifications | | (266.4 | ) | | | (32.0 | ) | | | — |
| | | 28.1 |
| | | — |
| | (270.3 | ) |
Amounts reclassified from AOCI | (a) | 53.8 |
| | (b) | 0.5 |
| | (c) | — |
| | (d) | (2.2 | ) | | | — |
| | 52.1 |
|
Net current-period OCI | | (212.6 | ) | | | (31.5 | ) | | | — |
| | | 25.9 |
| | | — |
| | (218.2 | ) |
Balance, December 31, 2014 | | (931.5 | ) | | | (16.2 | ) | | | — |
| | | 16.3 |
| | | — |
| | (931.4 | ) |
OCI before reclassifications | | (69.6 | ) | | | (31.4 | ) | | | — |
| | | (20.7 | ) | | | — |
| | (121.7 | ) |
Amounts reclassified from AOCI | (a) | 49.9 |
| | (c) | — |
| | (c) | — |
| | (d) | (11.3 | ) | | | — |
| | 38.6 |
|
Net current-period OCI | | (19.7 | ) | | | (31.4 | ) | | | — |
| | | (32.0 | ) | | | — |
| | (83.1 | ) |
Balance, December 31, 2015 | | (951.2 | ) | | | (47.6 | ) | | | — |
| | | (15.7 | ) | | | — |
| | (1,014.5 | ) |
OCI before reclassifications | | (60.6 | ) | | | (37.4 | ) | | | — |
| | | 13.2 |
| | | (45.6 | ) | | (130.4 | ) |
Amounts reclassified from AOCI | (a) | 46.3 |
| | (c) | — |
| | (c) | — |
| | (d) | 4.9 |
| | | — |
| | 51.2 |
|
Net current-period OCI | | (14.3 | ) | | | (37.4 | ) | | | — |
| | | 18.1 |
| | | (45.6 | ) | | (79.2 | ) |
Balance, December 31, 2016 | $ | (965.5 | ) | | $ | (85.0 | ) | | $ | — |
| | $ | 2.4 |
| | $ | (45.6 | ) | | $ | (1,093.7 | ) |
Attributable to noncontrolling interests: | | | | | | | | | | | | | | | | |
Balance, December 31, 2013 | $ | — |
| | $ | 27.1 |
| | $ | — |
| | $ | — |
| | $ | — |
| | $ | 27.1 |
|
OCI before reclassifications | | — |
| | | (2.1 | ) | | | — |
| | | — |
| | | — |
| | (2.1 | ) |
Amounts reclassified from AOCI | | — |
| | (c) | — |
| | | — |
| | | — |
| | | — |
| | — |
|
Net current-period OCI | | — |
| | | (2.1 | ) | | | — |
| | | — |
| | | — |
| | (2.1 | ) |
Balance, December 31, 2014 | | — |
| | | 25.0 |
| | | — |
| | | — |
| | | — |
| | 25.0 |
|
OCI before reclassifications | | — |
| | | (5.6 | ) | | | — |
| | | — |
| | | — |
| | (5.6 | ) |
Amounts reclassified from AOCI | | — |
| | (c) | — |
| | | — |
| | | — |
| | | — |
| | — |
|
Net current-period OCI | | — |
| | | (5.6 | ) | | | — |
| | | — |
| | | — |
| | (5.6 | ) |
Balance, December 31, 2015 | | — |
| | | 19.4 |
| | | — |
| | | — |
| | | — |
| | 19.4 |
|
OCI before reclassifications | | — |
| | | (9.7 | ) | | | — |
| | | — |
| | | — |
| | (9.7 | ) |
Amounts reclassified from AOCI | | — |
| | (c) | — |
| | | — |
| | | — |
| | | — |
| | — |
|
Net current-period OCI | | — |
| | | (9.7 | ) | | | — |
| | | — |
| | | — |
| | (9.7 | ) |
Balance, December 31, 2016 | $ | — |
| | $ | 9.7 |
| | $ | — |
| | $ | — |
| | $ | — |
| | $ | 9.7 |
|