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Shareholders Equity - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended |  |  |  | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended
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Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 Carrier Enterprise I | Jul. 02, 2012 Carrier Enterprise I | Jul. 01, 2009 Carrier Enterprise I | Jun. 30, 2013 401(K) Plan | Jun. 30, 2012 401(K) Plan | Jun. 30, 2013 Employee Stock Purchase Plan | Jun. 30, 2012 Employee Stock Purchase Plan | Jun. 30, 2013 Employee Stock Purchase Plan | Jun. 30, 2012 Employee Stock Purchase Plan | Jun. 30, 2013 Common Stock | Jun. 30, 2012 Common Stock | Jun. 30, 2013 Common Stock | Jun. 30, 2012 Common Stock
Stockholders Equity Note [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash dividends paid per share of Common and Class B common stock | $ 0.25 | $ 0.62 | $ 0.50 | $ 1.24 |  |  |  |  |  |  |  |  |  |  |  |  |
Shares of non-vested restricted stock granted |  |  | 85,543 | 58,301 |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options exercised, shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,500 | 69,334 | 9,500 | 90,834
Stock options exercised, value |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 39 | $ 1,822 | $ 377 | $ 2,809
Stock delivered as payment to satisfy tax withholdings, shares |  | 19,567 |  | 19,567 |  |  |  |  |  |  |  |  |  |  |  |  |
Stock delivered as payment to satisfy tax withholdings, market value |  | 1,449 |  | 1,449 |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued under employee stock purchase plan, shares |  |  |  |  |  |  |  |  |  | 1,744 | 2,632 | 3,926 | 5,594 |  |  |  |
Common stock issued under employee stock purchase plan, net proceeds |  |  |  |  |  |  |  |  |  | 140 | 186 | 299 | 380 |  |  |  |
Common stock issued to profit sharing retirement plan, shares |  |  |  |  |  |  |  | 22,551 | 26,991 |  |  |  |  |  |  |  |
Non-cash contribution for 401(k) plan |  |  |  |  |  |  |  | $ 1,689 | $ 1,772 |  |  |  |  |  |  |  |
Controlling interest, ownership percentage | 60.00% |  | 60.00% |  | 60.00% | 70.00% | 60.00% |  |  |  |  |  |  |  |  |  |
Noncontrolling interest, ownership percentage | 40.00% |  | 40.00% |  |  |  | 40.00% |  |  |  |  |  |  |  |  |  |

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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + 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 S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
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- Definition Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition Number of shares issued during the period as a result of an employee stock purchase plan. + 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 SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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- Definition Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards. + References Reference 1: 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 2: 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 + Details
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