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Condensed Consolidated Statements of Changes in Shareholders' Equity (USD $) In Thousands, except Share data | Total | Common shares | Treasury shares | Capital Contribution Reserve | Retained earnings | Accumulated other comprehensive income (loss) | Total Pentair Ltd. | Non- controlling interest
--- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2010 | $ 2,205,032 | $ 47,412 |  | $ 443,478 | $ 1,624,605 | $ (22,342) | $ 2,093,153 | $ 111,879
Beginning Balance (in shares) at Dec. 31, 2010 |  | 98,409,192 |  |  |  |  |  |
Net income | 172,225 |  |  |  | 168,345 |  | 168,345 | 3,880
Change in cumulative translation adjustment | (29,603) |  |  |  |  | (29,263) | (29,263) | (340)
Changes in market value of derivative financial instruments, net of $2,582 in 2012 and $2,303 in 2011 tax | 3,566 |  |  |  |  | 3,566 | 3,566 |
Cash dividends - $0.66 in 2012 and $0.60 in 2011 per common share | (59,669) |  |  |  | (59,669) |  | (59,669) |
Share repurchase (in Shares) |  | (397,126) |  |  |  |  |  |
Share repurchase | (12,785) | (211) |  | (12,574) |  |  | (12,785) |
Exercise of stock options, net of 39,751 in 2012 and 181,648 in 2011 shares tendered for payment (in shares) |  | 601,207 |  |  |  |  |  |
Exercise of stock options, net of 39,751 in 2012 and 181,648 in 2011 shares tendered for payment | 13,191 | 320 |  | 12,871 |  |  | 13,191 |
Issuance of restricted shares, net of cancellations (in shares) |  | 27,532 |  |  |  |  |  |
Issuance of restricted shares, net of cancellations | 1,422 | 15 |  | 1,407 |  |  | 1,422 |
Amortization of restricted shares | 743 |  |  | 743 |  |  | 743 |
Shares surrendered by employees to pay taxes (in Shares) |  | (74,782) |  |  |  |  |  |
Shares surrendered by employees to pay taxes | (2,765) | (40) |  | (2,725) |  |  | (2,765) |
Stock compensation | 6,759 |  |  | 6,759 |  |  | 6,759 |
Ending Balance at Oct. 01, 2011 | 2,298,116 | 47,496 |  | 449,959 | 1,733,281 | (48,039) | 2,182,697 | 115,419
Ending Balance (in shares) at Oct. 01, 2011 |  | 98,566,023 |  |  |  |  |  |
Beginning Balance at Dec. 31, 2011 | 2,047,392 | 47,526 |  | 457,754 | 1,579,290 | (151,241) | 1,933,329 | 114,063
Beginning Balance (in shares) at Dec. 31, 2011 |  | 98,622,564 |  |  |  |  |  |
Net income | 167,289 |  |  |  | 163,062 |  | 163,062 | 4,227
Change in cumulative translation adjustment | (3,765) |  |  |  |  | (3,661) | (3,661) | (104)
Changes in market value of derivative financial instruments, net of $2,582 in 2012 and $2,303 in 2011 tax | (5,232) |  |  |  |  | (5,232) | (5,232) |
Cash dividends - $0.66 in 2012 and $0.60 in 2011 per common share | (66,153) |  |  |  | (66,153) |  | (66,153) |
Issuance of shares related to the Merger (in shares) |  | 113,611,537 | (2,712,603) |  |  |  |  |
Issuance of shares related to the Merger | 4,904,254 | 65,521 | (119,626) | 4,958,359 |  |  | 4,904,254 |
Exercise of stock options, net of 39,751 in 2012 and 181,648 in 2011 shares tendered for payment (in shares) |  | 669,361 | 3,600 |  |  |  |  |
Exercise of stock options, net of 39,751 in 2012 and 181,648 in 2011 shares tendered for payment | 20,702 | 356 | 159 | 20,187 |  |  | 20,702 |
Issuance of restricted shares, net of cancellations (in shares) |  | 168,936 | 2,083 |  |  |  |  |
Issuance of restricted shares, net of cancellations | 18,985 | 90 | 92 | 18,803 |  |  | 18,985 |
Amortization of restricted shares | 18,633 |  |  | 18,633 |  |  | 18,633 |
Shares surrendered by employees to pay taxes (in Shares) |  | (72,398) | (680) |  |  |  |  |
Shares surrendered by employees to pay taxes | (2,759) | (39) | (30) | (2,690) |  |  | (2,759) |
Stock compensation | 9,894 |  |  | 9,894 |  |  | 9,894 |
Dividends declared - payable in November 2012, February 2013 and May 2013, for $0.22, $0.23 and $0.23 per common share, respectively | (142,999) |  |  | (142,999) |  |  | (142,999) |
Ending Balance at Sep. 29, 2012 | $ 6,966,241 | $ 113,454 | $ (119,405) | $ 5,337,941 | $ 1,676,199 | $ (160,134) | $ 6,848,055 | $ 118,186
Ending Balance (in shares) at Sep. 29, 2012 |  | 213,000,000 | (2,707,600) |  |  |  |  |

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