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v2.4.1.9

Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Roll forward of activity in insurance reserves |  |  |
Balance at beginning of period | $ 39,111 us-gaap_LossContingencyAccrualAtCarryingValue | $ 39,583 us-gaap_LossContingencyAccrualAtCarryingValue | $ 38,850 us-gaap_LossContingencyAccrualAtCarryingValue
Net increases in reserves | 16,220 us-gaap_LossContingencyAccrualProvision | 16,861 us-gaap_LossContingencyAccrualProvision | 19,743 us-gaap_LossContingencyAccrualProvision
Net payments made | (15,851)us-gaap_LossContingencyAccrualCarryingValuePayments | (17,333)us-gaap_LossContingencyAccrualCarryingValuePayments | (19,010)us-gaap_LossContingencyAccrualCarryingValuePayments
Balance at end of period | $ 39,480 us-gaap_LossContingencyAccrualAtCarryingValue | $ 39,111 us-gaap_LossContingencyAccrualAtCarryingValue | $ 39,583 us-gaap_LossContingencyAccrualAtCarryingValue

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- Definition Amount of loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
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- Definition Amount of payments made reducing loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
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- Definition Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
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- Details
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