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Quarterly Operating Results (Unaudited) - Quarterly Operating Results (unaudited) (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended
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Dec. 31, 2014 | Sep. 28, 2014 | Jun. 29, 2014 | Mar. 30, 2014 | Dec. 31, 2013 | Sep. 29, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Quarterly Financial Information Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |  |
Number of days in quarter | 94 days | 91 days | 91 days | 89 days | 93 days | 91 days | 91 days | 90 days | 365 days | 365 days |
Revenues | $ 608,910 us-gaap_SalesRevenueGoodsNet | $ 610,774 us-gaap_SalesRevenueGoodsNet | $ 600,891 us-gaap_SalesRevenueGoodsNet | $ 487,690 us-gaap_SalesRevenueGoodsNet | $ 509,751 us-gaap_SalesRevenueGoodsNet | $ 522,478 us-gaap_SalesRevenueGoodsNet | $ 529,491 us-gaap_SalesRevenueGoodsNet | $ 507,473 us-gaap_SalesRevenueGoodsNet | $ 2,308,265 us-gaap_SalesRevenueGoodsNet | $ 2,069,193 us-gaap_SalesRevenueGoodsNet | $ 1,840,739 us-gaap_SalesRevenueGoodsNet
Gross profit | 217,615 us-gaap_GrossProfit | 221,732 us-gaap_GrossProfit | 204,385 us-gaap_GrossProfit | 175,717 us-gaap_GrossProfit | 175,039 us-gaap_GrossProfit | 182,841 us-gaap_GrossProfit | 179,196 us-gaap_GrossProfit | 167,353 us-gaap_GrossProfit | 819,449 us-gaap_GrossProfit | 704,429 us-gaap_GrossProfit | 566,597 us-gaap_GrossProfit
Operating income | 43,271 us-gaap_OperatingIncomeLoss | 58,011 us-gaap_OperatingIncomeLoss | 12,326 us-gaap_OperatingIncomeLoss | 49,511 us-gaap_OperatingIncomeLoss | 49,174 us-gaap_OperatingIncomeLoss | 53,935 us-gaap_OperatingIncomeLoss | 53,913 us-gaap_OperatingIncomeLoss | 44,240 us-gaap_OperatingIncomeLoss | 163,119 us-gaap_OperatingIncomeLoss | 201,262 us-gaap_OperatingIncomeLoss | 108,497 us-gaap_OperatingIncomeLoss
Income from continuing operations | 15,414 us-gaap_IncomeLossFromContinuingOperations | 33,847 us-gaap_IncomeLossFromContinuingOperations | 15 us-gaap_IncomeLossFromContinuingOperations | 25,156 us-gaap_IncomeLossFromContinuingOperations | 23,929 us-gaap_IncomeLossFromContinuingOperations | 29,068 us-gaap_IncomeLossFromContinuingOperations | 29,492 us-gaap_IncomeLossFromContinuingOperations | 22,245 us-gaap_IncomeLossFromContinuingOperations | 74,432 us-gaap_IncomeLossFromContinuingOperations | 104,734 us-gaap_IncomeLossFromContinuingOperations | 43,236 us-gaap_IncomeLossFromContinuingOperations
Income (loss) from discontinued operations, net of tax | 579 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity |  |  |  | (1,421)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity |  |  |  | 579 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity | (1,421)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity | 16,774 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
Loss from disposal of discontinued operations, net of tax |  |  |  | (562)us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax |  |  |  |  | (562)us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax |  | 134,480 us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax
Net income | $ 15,993 us-gaap_NetIncomeLoss | $ 33,847 us-gaap_NetIncomeLoss | $ 15 us-gaap_NetIncomeLoss | $ 24,594 us-gaap_NetIncomeLoss | $ 22,508 us-gaap_NetIncomeLoss | $ 29,068 us-gaap_NetIncomeLoss | $ 29,492 us-gaap_NetIncomeLoss | $ 22,245 us-gaap_NetIncomeLoss | $ 74,449 us-gaap_NetIncomeLoss | $ 103,313 us-gaap_NetIncomeLoss | $ 194,490 us-gaap_NetIncomeLoss
Basic income (loss) per share |  |  |  |  |  |  |  |  |  |  |
Continuing operations | $ 0.36 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.78 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare |  | $ 0.58 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.55 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.67 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.67 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.50 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 1.72 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 2.39 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.96 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
Discontinued operations | $ 0.01 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare |  |  |  | $ (0.03)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare |  |  |  | $ 0.01 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ (0.03)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0.37 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
Disposal of discontinued operations |  |  |  | $ (0.01)us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTaxPerBasicShare |  |  |  |  | $ (0.01)us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTaxPerBasicShare |  | $ 2.98 us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTaxPerBasicShare
Net income | $ 0.37 us-gaap_EarningsPerShareBasic | $ 0.78 us-gaap_EarningsPerShareBasic |  | $ 0.57 us-gaap_EarningsPerShareBasic | $ 0.52 us-gaap_EarningsPerShareBasic | $ 0.67 us-gaap_EarningsPerShareBasic | $ 0.67 us-gaap_EarningsPerShareBasic | $ 0.50 us-gaap_EarningsPerShareBasic | $ 1.72 us-gaap_EarningsPerShareBasic | $ 2.36 us-gaap_EarningsPerShareBasic | $ 4.31 us-gaap_EarningsPerShareBasic
Diluted income (loss) per share |  |  |  |  |  |  |  |  |  |  |
Continuing operations | $ 0.35 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.77 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare |  | $ 0.57 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.54 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.65 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.66 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.49 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 1.69 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 2.34 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.94 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
Discontinued operations | $ 0.01 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare |  |  |  | $ (0.03)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare |  |  |  | $ 0.01 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ (0.03)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0.36 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
Disposal of discontinued operations |  |  |  | $ (0.01)us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTaxPerDilutedShare |  |  |  |  | $ (0.01)us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTaxPerDilutedShare |  | $ 2.93 us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTaxPerDilutedShare
Net income | $ 0.36 us-gaap_EarningsPerShareDiluted | $ 0.77 us-gaap_EarningsPerShareDiluted |  | $ 0.56 us-gaap_EarningsPerShareDiluted | $ 0.51 us-gaap_EarningsPerShareDiluted | $ 0.65 us-gaap_EarningsPerShareDiluted | $ 0.66 us-gaap_EarningsPerShareDiluted | $ 0.49 us-gaap_EarningsPerShareDiluted | $ 1.69 us-gaap_EarningsPerShareDiluted | $ 2.31 us-gaap_EarningsPerShareDiluted | $ 4.23 us-gaap_EarningsPerShareDiluted

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