XML 23 R6.htm IDEA: XBRL DOCUMENT v3.8.0.1
Consolidated Statements of Comprehensive Income Parenthetical - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Unrealized gains on Investment in CyrusOne, tax $ 4.4 $ 36.9 $ 0.0
Reclassification adjustment for gain on sale of Investment in CyrusOne included in net income, tax (41.3) 0.0 0.0
Net gain (loss) arising from remeasurement during the period, tax 0.8 3.6 (3.4)
Amortization of prior service benefits included in net income, tax (1.6) (5.2) (5.5)
Amortization of net actuarial loss included in net income, tax 7.9 8.5 10.8
Reclassification adjustment for pension settlement charges included in net income, tax 1.5 0.0 0.0
Reclassification adjustment for curtailment loss included in net income, tax $ 0.0 $ 0.0 $ 0.1