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EQUITY AND STOCK-BASED COMPENSATION (Details 6) (USD $) In Millions, except Per Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 29, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Oct. 01, 2011 | Jul. 02, 2011 | Apr. 02, 2011 | Sep. 29, 2012 | Oct. 01, 2011
Dividends |  |  |  |  |  |  |  |
Dividends declared, per share | $ 0.25 | $ 0.25 | $ 0.25 | $ 0.25 | $ 0.25 | $ 0.25 |  |
Changes in Equity |  |  |  |  |  |  |  |
Equity, beginning of period | $ 2,175.3 |  | $ 2,237.3 | $ 2,293.7 |  | $ 2,104.0 | $ 2,237.3 | $ 2,104.0
Net income | 60.2 |  |  | 62.3 |  |  | 121.2 | 122.1
Net unrealized gains (losses) on qualifying cash flow hedges, net of tax benefit (provision) | 0.5 |  |  | (1.2) |  |  | 1.1 | (1.5)
Net unrealized gains (losses) on qualifying cash flow hedges, tax provision | (0.3) |  |  | 1.0 |  |  | (0.6) | 1.0
Net unrealized gain (loss) on available-for-sale securities | (2.9) |  |  | (2.5) |  |  | (1.5) | (7.7)
Pension liability adjustment, net of tax provision | 3.7 |  |  | 4.1 |  |  | 13.2 | 11.1
Pension liability adjustment, tax benefit (provision) | 2.5 |  |  | 3.2 |  |  | 7.6 | 7.8
Foreign currency translation adjustments | 78.1 |  |  | (92.8) |  |  | 0.9 | 29.7
Comprehensive income (loss) | 139.6 |  |  | (30.1) |  |  | 134.9 | 153.7
Dividends declared | (12.7) | (12.7) | (12.8) | (12.7) | (12.8) | (12.7) | (38.2) | (38.2)
Exercise of stock options and other incentive plan activity | 4.6 |  |  | 5.1 |  |  | 23.2 | 29.4
Exercise of stock options and other incentive plan activity, tax benefit | 0.1 |  |  | 0.2 |  |  | 3.6 | 5.9
Amortization of restricted stock and stock unit grants | 6.0 |  |  | 7.8 |  |  | 34.9 | 34.5
Amortization of restricted stock and stock unit grants relating to discontinued operations | 0.4 |  |  | 0.6 |  |  | 1.0 | 1.6
Restricted stock and restricted stock unit vesting, net of tax withholdings |  |  |  |  |  |  | (4.3) | (16.6)
Common stock repurchases |  |  |  |  |  |  | (75.0) |
Dividends attributable to noncontrolling interests | (0.7) |  |  |  |  |  | (0.7) | (4.1)
Other changes in noncontrolling interests |  |  |  |  |  |  |  | 1.1
Equity, end of period | 2,312.1 | 2,175.3 |  | 2,263.8 | 2,293.7 |  | 2,312.1 | 2,263.8
SPX Corporation Shareholders' Equity |  |  |  |  |  |  |  |
Changes in Equity |  |  |  |  |  |  |  |
Equity, beginning of period | 2,165.2 |  | 2,227.3 | 2,287.4 |  | 2,097.7 | 2,227.3 | 2,097.7
Net income | 57.8 |  |  | 60.7 |  |  | 118.7 | 118.1
Net unrealized gains (losses) on qualifying cash flow hedges, net of tax benefit (provision) | 0.5 |  |  | (1.2) |  |  | 1.1 | (1.5)
Net unrealized gain (loss) on available-for-sale securities | (2.9) |  |  | (2.5) |  |  | (1.5) | (7.7)
Pension liability adjustment, net of tax provision | 3.7 |  |  | 4.1 |  |  | 13.2 | 11.1
Foreign currency translation adjustments | 77.8 |  |  | (92.1) |  |  | 0.6 | 29.8
Comprehensive income (loss) | 136.9 |  |  | (31.0) |  |  | 132.1 | 149.8
Dividends declared | (12.7) |  |  | (12.7) |  |  | (38.2) | (38.2)
Exercise of stock options and other incentive plan activity | 4.6 |  |  | 5.1 |  |  | 23.2 | 29.4
Amortization of restricted stock and stock unit grants | 6.0 |  |  | 7.8 |  |  | 34.9 | 34.5
Restricted stock and restricted stock unit vesting, net of tax withholdings |  |  |  |  |  |  | (4.3) | (16.6)
Common stock repurchases |  |  |  |  |  |  | (75.0) |
Equity, end of period | 2,300.0 |  |  | 2,256.6 |  |  | 2,300.0 | 2,256.6
Noncontrolling Interests |  |  |  |  |  |  |  |
Changes in Equity |  |  |  |  |  |  |  |
Equity, beginning of period | 10.1 |  | 10.0 | 6.3 |  | 6.3 | 10.0 | 6.3
Net income | 2.4 |  |  | 1.6 |  |  | 2.5 | 4.0
Foreign currency translation adjustments | 0.3 |  |  | (0.7) |  |  | 0.3 | (0.1)
Comprehensive income (loss) | 2.7 |  |  | 0.9 |  |  | 2.8 | 3.9
Dividends attributable to noncontrolling interests | (0.7) |  |  |  |  |  | (0.7) | (4.1)
Other changes in noncontrolling interests |  |  |  |  |  |  |  | 1.1
Equity, end of period | $ 12.1 |  |  | $ 7.2 |  |  | $ 12.1 | $ 7.2

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