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Operations and Summary of Significant Accounting Policies (Details 7) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Goodwill Impairment Testing |  |  |  |
Goodwill | $ 121,981 | $ 129,218 | $ 121,981 | $ 99,849
Balance at the beginning of the year |  |  |  |
Goodwill | 145,531 | 152,768 | 145,531 | 121,053
Accumulated impairment losses | (23,550) | (23,550) | (23,550) | (21,204)
Goodwill at the beginning of the period, net |  | 121,981 | 99,849 |
Goodwill acquired |  | 1,592 | 22,826 |
Goodwill disposed |  | (480) |  |
Foreign exchange |  | 872 | 496 |
Impairment | (2,346) |  | (2,346) | (1,282)
Reclassifications |  | 5,253 | 1,156 |
Balance at the end of the year |  |  |  |
Goodwill | 145,531 | 152,768 | 145,531 | 121,053
Accumulated impairment losses | (23,550) | (23,550) | (23,550) | (21,204)
Goodwill at the end of the period, net | 121,981 | 129,218 | 121,981 | 99,849
Maximum |  |  |  |
Goodwill Impairment Testing |  |  |  |
Step 1 pass margin percentage criteria based on which sensitivity assessment of key assumption is done |  | 10.00% |  |
Keymark | Purchase price adjustment |  |  |  |
Balance at the beginning of the year |  |  |  |
Goodwill acquired |  |  | 5,900 |
North America |  |  |  |
Goodwill Impairment Testing |  |  |  |
Goodwill | 78,739 | 84,822 | 78,739 |
Balance at the beginning of the year |  |  |  |
Goodwill | 89,405 | 95,488 | 89,405 | 84,567
Accumulated impairment losses | (10,666) | (10,666) | (10,666) | (10,666)
Goodwill at the beginning of the period, net |  | 78,739 | 73,901 |
Goodwill acquired |  | 918 | 3,581 |
Goodwill disposed |  | (480) |  |
Foreign exchange |  | (248) | 101 |
Reclassifications |  | 5,893 | 1,156 |
Balance at the end of the year |  |  |  |
Goodwill | 89,405 | 95,488 | 89,405 | 84,567
Accumulated impairment losses | (10,666) | (10,666) | (10,666) | (10,666)
Goodwill at the end of the period, net | 78,739 | 84,822 | 78,739 |
Europe |  |  |  |
Goodwill Impairment Testing |  |  |  |
Goodwill | 41,263 | 42,690 | 41,263 | 24,000
Balance at the beginning of the year |  |  |  |
Goodwill | 54,147 | 55,574 | 54,147 | 34,538
Accumulated impairment losses | (12,884) | (12,884) | (12,884) | (10,538)
Goodwill at the beginning of the period, net |  | 41,263 | 24,000 |
Goodwill acquired |  | 674 | 19,245 |
Foreign exchange |  | 1,393 | 364 |
Impairment |  |  | (2,346) | (1,282)
Reclassifications |  | (640) |  |
Balance at the end of the year |  |  |  |
Goodwill | 54,147 | 55,574 | 54,147 | 34,538
Accumulated impairment losses | (12,884) | (12,884) | (12,884) | (10,538)
Goodwill at the end of the period, net | 41,263 | 42,690 | 41,263 | 24,000
Asia/Pacific |  |  |  |
Goodwill Impairment Testing |  |  |  |
Goodwill | 1,979 | 1,706 | 1,979 |
Balance at the beginning of the year |  |  |  |
Goodwill | 1,979 | 1,706 | 1,979 | 1,948
Goodwill at the beginning of the period, net |  | 1,979 | 1,948 |
Foreign exchange |  | (273) | 31 |
Balance at the end of the year |  |  |  |
Goodwill | 1,979 | 1,706 | 1,979 | 1,948
Goodwill at the end of the period, net | 1,979 | 1,706 | 1,979 |
Australia |  |  |  |
Goodwill Impairment Testing |  |  |  |
Marginal percentage by which the company passed annual impairment test |  | 4.00% |  |
Goodwill |  | 1,700 |  |
Number of locations into which the activities will be consolidated |  | 3 |  |
Margin by which the reporting units passed the annual goodwill impairment test |  |  |  |
Step 1 Pass Margin (as a percent) |  | 4.00% |  |
Discount Rate Increases (as a percent) |  | 2.00% |  |
CAGR Decreases (as a percent) |  | 2.00% |  |
Pre-Tax Operating Margin Decreases (as a percent) |  | 6.00% |  |
Balance at the end of the year |  |  |  |
Goodwill at the end of the period, net |  | 1,700 |  |
United States |  |  |  |
Goodwill Impairment Testing |  |  |  |
Number of locations into which the activities will be consolidated |  | 4 |  |
S&P Clever |  |  |  |
Goodwill Impairment Testing |  |  |  |
Marginal percentage by which the company passed annual impairment test |  | 9.00% |  |
Goodwill |  | 19,000 |  |
Number of locations into which the activities will be consolidated |  | 7 |  |
Margin by which the reporting units passed the annual goodwill impairment test |  |  |  |
Step 1 Pass Margin (as a percent) |  | 9.00% |  |
Discount Rate Increases (as a percent) |  | 7.00% |  |
CAGR Decreases (as a percent) |  | 6.00% |  |
Pre-Tax Operating Margin Decreases (as a percent) |  | 10.00% |  |
Balance at the end of the year |  |  |  |
Goodwill at the end of the period, net |  | 19,000 |  |
France |  |  |  |
Goodwill Impairment Testing |  |  |  |
Marginal percentage by which the company passed annual impairment test |  | 10.00% |  |
Goodwill |  | 14,900 |  |
Margin by which the reporting units passed the annual goodwill impairment test |  |  |  |
Step 1 Pass Margin (as a percent) |  | 10.00% |  |
Discount Rate Increases (as a percent) |  | 13.00% |  |
CAGR Decreases (as a percent) |  | 19.00% |  |
Pre-Tax Operating Margin Decreases (as a percent) |  | 15.00% |  |
Balance at the end of the year |  |  |  |
Goodwill at the end of the period, net |  | $ 14,900 |  |

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