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Pension Plans and Other Retirement Benefits - Additional Information (Detail) - USD ($) |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Oct. 21, 2016 | Sep. 30, 2016 | Jan. 28, 2017 | Apr. 30, 2016 | Jan. 28, 2017 | Dec. 31, 2016 | Jan. 30, 2016 | Dec. 31, 2015 | Jan. 31, 2015 | Dec. 31, 2014
Pension Plans and Other Retirement Benefits [Line Items] |  |  |  |  |  |  |  |  |  |
Net accrued liability recognized in balance sheet |  |  | $ 178,400,000 |  | $ 178,400,000 |  | $ 178,100,000 |  |  |
Pension plans and other retirement benefits, current liability |  |  | 4,000,000 |  | 4,000,000 |  | 3,200,000 |  |  |
Pension plans and other retirement benefits, long-term liability |  |  | $ 174,400,000 |  | 174,400,000 |  | 174,900,000 |  |  |
Employer contribution |  |  |  |  | $ 54,600,000 |  | 55,700,000 |  | $ 151,300,000 |
Minimum percentage of pension liability |  |  |  |  | 80.00% |  |  |  |  |
Anticipated employer's contribution to fund current benefit and expense payments under the unfunded plan in fiscal 2018 |  |  |  |  | $ 4,100,000 |  |  |  |  |
Pension settlement charge |  |  |  |  | $ 31,173,000 |  |  |  |  |
Pension expense discount rate |  | 4.80% | 3.80% |  |  |  |  |  |  |
Expected rate of return on plan assets |  | 6.50% | 6.00% |  |  |  |  |  |  |
Percentage of employees contribution from eligible pay, maximum |  |  |  |  | 50.00% |  |  |  |  |
Rate of eligible pay for matching employee contributions |  |  |  |  | 5.00% |  |  |  |  |
Minimum range of rates for matching employee contributions |  |  |  |  | 25.00% |  |  |  |  |
Maximum range of rates for matching employee contributions |  |  |  |  | 75.00% |  |  |  |  |
Rate of defined pension plan |  |  | 25.00% |  | 25.00% |  |  |  |  |
Percentage of plan assets representing stock funds |  |  |  |  |  | 6.20% |  | 7.10% |  | 7.40%
Post retirement medical and life insurance benefits to retirees |  |  |  |  | Who are eligible for the defined benefit plan and who retired at age 55 or older with ten or more years of service. |  |  |  |  |
Multiemployer Pension Plans |  |  |  |  |  |  |  |  |  |
Pension Plans and Other Retirement Benefits [Line Items] |  |  |  |  |  |  |  |  |  |
Pension contribution to National Retirement Fund |  |  |  |  | $ 14,500,000 |  | 13,400,000 |  | 11,500,000 |
Percentage of pension contribution |  |  |  |  |  |  |  | 5.00% |  |
Retirement/Deferred Savings Plan |  |  |  |  |  |  |  |  |  |
Pension Plans and Other Retirement Benefits [Line Items] |  |  |  |  |  |  |  |  |  |
Employer contribution |  |  |  |  | $ 10,200,000 |  | 9,700,000 |  | $ 9,300,000 |
Post Retirement Medical Plan |  |  |  |  |  |  |  |  |  |
Pension Plans and Other Retirement Benefits [Line Items] |  |  |  |  |  |  |  |  |  |
Minimum age of retirement |  |  |  |  | 55 years |  |  |  |  |
Minimum years of employment to be eligible in post retirement medical plan |  |  |  |  | 10 years |  |  |  |  |
Pre-tax income from post retirement medical plan reflected in income statement |  |  |  | $ 5,500,000 |  |  |  |  |  |
Funded Plan |  |  |  |  |  |  |  |  |  |
Pension Plans and Other Retirement Benefits [Line Items] |  |  |  |  |  |  |  |  |  |
Net accrued liability recognized in balance sheet |  |  | $ 92,050,000 |  | $ 92,050,000 |  | 93,158,000 |  |  |
Estimated amortization of net actuarial loss for 2018 |  |  |  |  | 21,900,000 |  |  |  |  |
Estimated amortization of prior service cost for 2018 |  |  |  |  | 377,000 |  |  |  |  |
Employer contribution |  |  |  |  | 50,000,000 |  | 50,000,000 |  |  |
Pension settlement charge |  |  |  |  | 31,173,000 |  |  |  |  |
Defined benefit plan, benefits paid | $ 103,200,000 |  |  |  | $ 28,751,000 |  | $ 24,956,000 |  |  |
Pension expense discount rate |  |  |  |  | 4.00% |  | 4.00% |  | 4.00% |
Expected rate of return on plan assets |  |  |  |  |  |  | 6.75% |  | 7.00% |
Excess percentage of projected benefit obligation for amortization of unrecognized gains and losses |  |  |  |  | 10.00% |  |  |  |  |
Fair value of plan assets at end of year |  |  | 1,176,960,000 |  | $ 1,176,960,000 |  | $ 1,119,842,000 |  | $ 1,170,748,000 |
Pre-tax income from post retirement medical plan reflected in income statement |  |  |  |  | 31,173,000 |  |  |  |  |
Unfunded Plan |  |  |  |  |  |  |  |  |  |
Pension Plans and Other Retirement Benefits [Line Items] |  |  |  |  |  |  |  |  |  |
Net accrued liability recognized in balance sheet |  |  | $ 86,309,000 |  | 86,309,000 |  | 84,967,000 |  |  |
Estimated amortization of net actuarial loss for 2018 |  |  |  |  | 3,300,000 |  |  |  |  |
Employer contribution |  |  |  |  | 4,624,000 |  | 5,672,000 |  |  |
Defined benefit plan, benefits paid |  |  |  |  | $ 4,624,000 |  | $ 5,672,000 |  |  |
Pension expense discount rate |  |  |  |  | 6.00% |  | 6.00% |  | 6.00% |
401(k) Plan |  |  |  |  |  |  |  |  |  |
Pension Plans and Other Retirement Benefits [Line Items] |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at end of year |  |  |  |  |  | $ 1,480,900,000 |  | $ 1,314,800,000 |  |
Deferral Rate |  |  |  |  |  |  |  |  |  |
Pension Plans and Other Retirement Benefits [Line Items] |  |  |  |  |  |  |  |  |  |
Rate of defined pension plan |  |  | 2.00% |  | 2.00% |  |  |  |  |
Employee Savings Plan |  |  |  |  |  |  |  |  |  |
Pension Plans and Other Retirement Benefits [Line Items] |  |  |  |  |  |  |  |  |  |
Employer contribution |  |  |  |  | $ 34,500,000 |  | $ 30,800,000 |  | $ 31,200,000 |
Nonqualified Savings Plan |  |  |  |  |  |  |  |  |  |
Pension Plans and Other Retirement Benefits [Line Items] |  |  |  |  |  |  |  |  |  |
Employer contribution |  |  |  |  | $ 5,800,000 |  | $ 4,500,000 |  | $ 3,500,000 |

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- Definition Rate of the alternative method used to amortize net gains and losses. Any systematic method of amortizing gains or losses may be used in lieu of the minimum specified provided that (a) the minimum is used in any period in which the minimum amortization is greater (reduces the net balance included in accumulated other comprehensive income by more), (b) the method is applied consistently, (c) the method is applied similarly to both gains and losses, and (4) the method used is disclosed. + References No definition available. + Details
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- Definition Defined Benefit Plan Contribution Of Pension Fund In Excess Of Contribution + References No definition available. + Details
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- Definition Minimum Percentage of pension liability under Pension Protection Act. + References No definition available. + Details
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- Definition Minimum range of rates for matching employee contributions. + References No definition available. + Details
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- Definition Postretirement medical and life insurance benefits to retirees. + References No definition available. + Details
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- Definition The aggregate net amount recognized in the balance sheet associated with the defined benefit plan(s). Will normally be the same as the Defined Benefit Plan, Funded Status of Plan, Total. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64852052&loc=d3e1703-114919 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Expected Long-Term Rate of Return on Plan Assets -URI http://asc.fasb.org/extlink&oid=6512046 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(3) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition Expected rate of compensation increases (for pay-related plans). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(2) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. This item represents a periodic decrease to the plan obligations and a decrease to plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39716-114964 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Benefits -URI http://asc.fasb.org/extlink&oid=49170737 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(6) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Postretirement Benefits -URI http://asc.fasb.org/extlink&oid=6521376 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(5) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition Amount of contributions made by the employer to defined benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(5)(ii) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 35 -Paragraph 123 -Subparagraph B -URI http://asc.fasb.org/extlink&oid=64937487&loc=d3e36068-114959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 35 -Paragraph 63 -Subparagraph B -URI http://asc.fasb.org/extlink&oid=64937038&loc=d3e12551-114930 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(5)(iv)(01) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition Fair value of assets that have been segregated and restricted to provide pension or postretirement benefits. Assets include, but are not limited to, stocks, bonds, other investments, earnings from investments, and contributions by the employer and employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 35 -Paragraph 50 -URI http://asc.fasb.org/extlink&oid=64937038&loc=d3e12355-114930 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Plan Assets -URI http://asc.fasb.org/extlink&oid=6749337 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Plan Assets -URI http://asc.fasb.org/extlink&oid=6520858 + Details
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- Definition Amount included in accumulated other comprehensive income (AOCI) related to gain (loss) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position. + References No definition available. + Details
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- Definition Amount of net gain (loss) recognized in net periodic benefit cost as a result of an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include, but are not limited to, lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contracts to cover vested benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 15 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7577095&loc=d3e8001-114927 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(7) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition Amount before tax of gain (loss) adjustment to other comprehensive income (loss) resulting from settlement or curtailment of defined benefit pension and other postretirement defined benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(10) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Plan Curtailment -URI http://asc.fasb.org/extlink&oid=6520938 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Settlement of a Pension or Postretirement Benefit Obligation -URI http://asc.fasb.org/extlink&oid=6531942 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(7) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition For a classified balance sheet, the amount recognized in balance sheet as a current liability associated with an underfunded defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Current Liabilities -URI http://asc.fasb.org/extlink&oid=6509677 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64852052&loc=d3e1703-114919 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition This represents the noncurrent liability for underfunded plans recognized in the balance sheet that is associated with the defined benefit pension plans and other postretirement defined benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e2417-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64852052&loc=d3e1703-114919 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e2410-114920 + Details
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- Definition The amount of cash or cash equivalents contributed by the entity to fund its pension plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3536-108585 + Details
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