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Commitments and Contingencies (Collective Bargaining Agreements) - Additional Information (Detail) - Withdrawal from Multiemployer Defined Benefit Plan [Member] - Central States Plan [Member] - USD ($) |  | 3 Months Ended | 30 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 13, 2013 | Mar. 31, 2016 | Mar. 31, 2016 | Jan. 31, 2016 | Jul. 31, 2014 | Oct. 09, 2013 | Dec. 31, 2011
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Amount of withdrawal liability |  |  |  | $ 32,900,000 | $ 39,600,000 |  | $ 32,600,000
Payment of withdrawal liability amount |  | $ 12,800,000 |  |  |  |  |
Acquired Company [Member] |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Amount of withdrawal liability |  |  |  | $ 4,800,000 |  | $ 4,800,000 |
Multiemployer plan withdrawal obligation, amount suggested by Plan which is different than amount recorded by company | $ 6,900,000 |  |  |  |  |  |
Cash proceeds deposited in Escrow account |  |  |  |  |  | $ 2,100,000 |
Payments toward the withdrawal liability assessment |  |  | $ 2,900,000 |  |  |  |
Minimum [Member] |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Amount of withdrawal liability |  | 40,100,000 | 40,100,000 |  |  |  |
Maximum [Member] |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Amount of withdrawal liability |  | $ 55,400,000 | $ 55,400,000 |  |  |  |

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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 of contributions made to multiemployer plans by the employer. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=49170332&loc=SL14450702-114947 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=49170332&loc=SL14450691-114947 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 5 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=49170332&loc=SL14450657-114947 + Details
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