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Commitments and Contingencies - Additional Information (Detail) Person in Thousands |  | 12 Months Ended
--- | --- | ---
May. 05, 2014 USD ($) | Dec. 31, 2015 USD ($) Person | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Loss Contingencies [Line Items] |  |  |  |
Reserves for pending legal disputes, including commercial disputes and other matters |  | $ 9,200,000 | $ 11,900,000 |
Environmental reserves |  | $ 9,100,000 | 4,800,000 |
Percentage employees that are members of collective bargaining agreements |  | 46.00% |  |
Rent expense |  | $ 126,200,000 | $ 128,100,000 | $ 117,200,000
Unionized workforce subject to labor agreement expiring in 2014 |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Percentage employees that are members of collective bargaining agreements |  | 88.00% |  |
Number of employees | Person |  | 62 |  |
Unionized workforce subject to labor agreement expiring in 2014 | United States and Canada |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Percentage employees that are members of collective bargaining agreements |  | 2.00% |  |
U.S. Settlement Agreements |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Litigation settlement, amount | $ 8,750,000 |  |  |
Payments for legal settlements | $ 370,263 |  |  |

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- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346 + Details
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- Definition Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.25) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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