Stockholders' Equity and Equity Instruments - Amount Reclassified from AOCI (Details) - USD ($)
$ in Millions |
3 Months Ended |
Mar. 31, 2016 |
Mar. 31, 2015 |
| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |
|
|
| Product cost |
$ 153.7
|
$ 177.9
|
| Income tax expense (benefit) |
20.0
|
22.2
|
| Net earnings |
49.7
|
60.6
|
| Reclassifications, net of income taxes [Member] |
|
|
| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |
|
|
| Net earnings |
0.8
|
1.0
|
| Reclassifications, net of income taxes [Member] | Gains and (losses) from cash flow hedges [Member] |
|
|
| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |
|
|
| Product cost |
1.1
|
1.1
|
| Income tax expense (benefit) |
(0.4)
|
(0.4)
|
| Net earnings |
0.7
|
0.7
|
| Reclassifications, net of income taxes [Member] | Amortization of defined benefit pension [Member] |
|
|
| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |
|
|
| Product cost |
0.1
|
0.4
|
| Income tax expense (benefit) |
0.0
|
(0.1)
|
| Net earnings |
$ 0.1
|
$ 0.3
|