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Segment Information (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2012 item | Dec. 31, 2011 | Dec. 31, 2010
Segment Information |  |  |  |  |  |  |  |  |  |  |
Number of geographic segments |  |  |  |  |  |  |  |  | 3 |  |
Segment information |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 359.2 | $ 357.8 | $ 367.4 | $ 361.2 | $ 357.5 | $ 367.5 | $ 373.2 | $ 329.9 | $ 1,445.6 | $ 1,428.1 | $ 1,274.6
Operating income (loss) |  |  |  |  |  |  |  |  | 123.4 | 116.7 | 114.2
Interest income |  |  |  |  |  |  |  |  | 0.7 | 1.0 | 1.0
Interest expense |  |  |  |  |  |  |  |  | (24.6) | (25.8) | (22.8)
Other income (expense), net |  |  |  |  |  |  |  |  | 0.8 | (0.8) | 2.1
Income from continuing operations before income taxes |  |  |  |  |  |  |  |  | 100.3 | 91.1 | 94.5
Identifiable Assets (at end of period) | 1,709.0 |  |  |  | 1,694.0 |  |  |  | 1,709.0 | 1,694.0 | 1,646.1
Long-Lived Assets (at end of period) | 223.6 |  |  |  | 223.1 |  |  |  | 223.6 | 223.1 | 197.5
Capital Expenditures |  |  |  |  |  |  |  |  | 30.6 | 22.6 | 24.6
Depreciation and Amortization |  |  |  |  |  |  |  |  | 49.4 | 50.9 | 44.8
Intersegment sales |  |  |  |  |  |  |  |  | 155.2 | 144.6 | 127.0
Number of product categories |  |  |  |  |  |  |  |  | 4 |  |
Residential & commercial flow control |  |  |  |  |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 785.9 | 751.3 | 652.2
HVAC & gas |  |  |  |  |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 448.5 | 471.3 | 433.4
Drains & water re-use |  |  |  |  |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 138.8 | 135.3 | 122.2
Water quality |  |  |  |  |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 72.4 | 70.2 | 66.8
Discontinued operations |  |  |  |  |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |  |  |  |  |
Identifiable Assets (at end of period) |  |  |  |  | 14.0 |  |  |  |  | 14.0 | 1.8
Reportable Segments |  |  |  |  |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |  |  |  |  |
Operating income (loss) |  |  |  |  |  |  |  |  | 155.6 | 152.5 | 149.6
North America |  |  |  |  |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 835.0 | 810.9 | 785.5
Operating income (loss) |  |  |  |  |  |  |  |  | 96.5 | 111.6 | 106.4
Identifiable Assets (at end of period) | 810.9 |  |  |  | 814.3 |  |  |  | 810.9 | 814.3 | 871.8
Long-Lived Assets (at end of period) | 80.6 |  |  |  | 74.8 |  |  |  | 80.6 | 74.8 | 77.4
Capital Expenditures |  |  |  |  |  |  |  |  | 17.9 | 8.3 | 9.1
Depreciation and Amortization |  |  |  |  |  |  |  |  | 19.6 | 18.7 | 17.9
Intersegment sales |  |  |  |  |  |  |  |  | 5.3 | 3.3 | 3.6
North America | U.S. |  |  |  |  |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 747.4 | 732.9 | 712.2
Long-Lived Assets (at end of period) | 75.1 |  |  |  | 69.9 |  |  |  | 75.1 | 69.9 | 72.4
EMEA |  |  |  |  |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 583.8 | 595.5 | 468.3
Operating income (loss) |  |  |  |  |  |  |  |  | 52.6 | 28.7 | 43.7
Identifiable Assets (at end of period) | 813.8 |  |  |  | 773.2 |  |  |  | 813.8 | 773.2 | 692.8
Long-Lived Assets (at end of period) | 128.2 |  |  |  | 133.3 |  |  |  | 128.2 | 133.3 | 104.6
Capital Expenditures |  |  |  |  |  |  |  |  | 10.8 | 13.6 | 14.8
Depreciation and Amortization |  |  |  |  |  |  |  |  | 27.7 | 30.2 | 24.9
Intersegment sales |  |  |  |  |  |  |  |  | 10.9 | 8.4 | 7.6
Asia |  |  |  |  |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 26.8 | 21.7 | 20.8
Operating income (loss) |  |  |  |  |  |  |  |  | 6.5 | 12.2 | (0.5)
Identifiable Assets (at end of period) | 84.3 |  |  |  | 92.5 |  |  |  | 84.3 | 92.5 | 79.7
Long-Lived Assets (at end of period) | 14.8 |  |  |  | 15.0 |  |  |  | 14.8 | 15.0 | 15.5
Capital Expenditures |  |  |  |  |  |  |  |  | 1.9 | 0.7 | 0.7
Depreciation and Amortization |  |  |  |  |  |  |  |  | 2.1 | 2.0 | 2.0
Intersegment sales |  |  |  |  |  |  |  |  | 139.0 | 132.9 | 115.8
Corporate |  |  |  |  |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |  |  |  |  |
Operating income (loss) |  |  |  |  |  |  |  |  | $ (32.2) | $ (35.8) | $ (35.4)

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