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Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (USD $) In Millions, except Share data, unless otherwise specified | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Treasury Stock [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income (Loss) [Member]
--- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2012 | $ 511.8 | $ 3.1 | $ 41.0 | $ (0.3) | $ 483.4 | $ (15.4)
Balance (in Shares) at Dec. 31, 2012 |  | 31,209,866 |  | 8,760 |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 30.1 |  |  |  | 30.1 |
Other comprehensive income (loss), net of tax | (9.0) |  |  |  |  | (9.0)
Dividends declared | (9.4) |  |  |  | (9.4) |
Restricted stock issuances, net | 0 |  | (0.2) | 0.2 |  |
Restricted stock issuances, net (in shares) |  | 196,137 |  | 5,000 |  |
Stock-based employee compensation expense | 0.1 |  | 0.1 |  |  |
Excess tax benefits of stock-based employee compensation | 0.5 |  | 0.5 |  |  |
Stock issued to directors as compensation | 0 |  | 0 |  |  |
Stock issued to directors as compensation (in shares) |  | 384 |  |  |  |
Issuance of shares for options exercised | 0.3 |  | 0.3 |  |  |
Stock Repurchased and Retired During Period, Shares |  | (47,218) |  |  |  |
Treasury Stock, Retired, Cost Method, Amount | 0 |  |  |  |  |
Issuance of shares for options exercised (in shares) |  | 16,000 |  |  |  |
Purchases of treasury stock | (1.7) |  |  | (1.7) |  |
Purchases of treasury stock (in shares) |  |  |  | (43,458) |  |
Stock Issued During Period, Value, Treasury Stock Reissued |  |  | (1.8) | 1.8 |  |
Stock Issued During Period, Shares, Treasury Stock Reissued |  |  |  | 47,218 |  |
Balance at Mar. 31, 2013 | 522.7 | 3.1 | 39.9 | 0 | 504.1 | (24.4)
Balance (in Shares) at Mar. 31, 2013 |  | 31,375,169 |  | 0 |  |
Balance at Dec. 31, 2013 | 561.4 | 3.1 | 43.3 | 0 | 520.0 | (5.0)
Balance (in Shares) at Dec. 31, 2013 |  | 31,423,427 |  | 0 |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 23.2 |  |  |  | 23.2 |
Other comprehensive income (loss), net of tax | 3.4 |  |  |  |  | 3.4
Dividends declared | (11.1) |  |  |  | (11.1) |
Restricted stock issuances, net | 0 |  | 0 |  |  |
Restricted stock issuances, net (in shares) |  | 198,180 |  |  |  |
Stock-based employee compensation expense | 1.1 |  | 1.1 |  |  |
Excess tax benefits of stock-based employee compensation | 0.6 |  | 0.6 |  |  |
Stock issued to directors as compensation | 0 |  | 0 |  |  |
Stock issued to directors as compensation (in shares) |  | 364 |  |  |  |
Stock Repurchased and Retired During Period, Shares |  | (1,160,811) |  |  |  |
Stock Repurchased and Retired During Period, Value |  | (0.1) | 0 |  | (52.2) |
Purchases of treasury stock | (52.3) |  |  |  |  |
Purchases of treasury stock (in shares) |  |  |  |  |  |
Balance at Mar. 31, 2014 | $ 526.3 | $ 3.0 | $ 45.0 | $ 0 | $ 479.9 | $ (1.6)
Balance (in Shares) at Mar. 31, 2014 |  | 30,461,160 |  | 0 |  |

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- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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