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Significant Accounting Policies - Additional Information (Details) | 12 Months Ended
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Dec. 31, 2018 USD ($) Segment Customer | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Significant Accounting Policies [Line Items] |  |  |
Number of operating segment | Segment | 1 |  |
Number of customer exceeding 5% of revenue | Customer | 0 |  |
Depreciation expenses including capital leases | $ 230,400,000 | $ 205,600,000 | $ 189,600,000
Self-insurance reserve | 135,800,000 | 127,600,000 |
Long-term portions of self insurance reserve | 82,500,000 | 77,700,000 |
Allocated share-based compensation expense | 10,700,000 | 22,700,000 | 16,200,000
Employee service share-based compensation, tax benefit from compensation expense | (3,200,000) | (9,000,000) | (6,300,000)
Advertising expense | 28,200,000 | 27,300,000 | $ 20,500,000
Debt and capital lease obligations | 45,000,000 | 95,000,000 |
Long-term debt, fair value | 45,600,000 | $ 97,100,000 |
Minimum [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Recognition of operating lease liability | 65,000,000 |  |
Maximum [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Recognition of operating lease liability | 70,000,000 |  |
2016 Share Repurchase Program [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Stock repurchase program, authorized amount | 250,000,000 |  |
2018 Share Repurchase Program [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Stock repurchase program, authorized amount | 250,000,000 |  |
Stock repurchase program, remaining authorized repurchase amount | 131,700,000 |  |
Bodily Injury and Property Damage [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Insurance maximum, per occurrence | 2,750,000 |  |
Corridor deductible | 2,500,000 |  |
Insurance layer to meet corridor deductible | 5,000,000 |  |
Workers Compensation Claims [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Insurance maximum, per occurrence | 1,000,000 |  |
Group Health Claims [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Insurance maximum, per occurrence | $ 1,000,000 |  |

X
- Definition One-time, aggregate corridor deductible on a claim that reaches an insurance layer. + References No definition available. + Details
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- Definition Minimum insurance layer prior to meeting the one-time corridor deductible. + References No definition available. + Details
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- Definition Number of customers with more than five percent of revenue. + References No definition available. + Details
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- Definition Self-insured deductible, per occurrence per year + References No definition available. + Details
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- Definition Significant Accounting Policies [Line Items] + References No definition available. + Details
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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13,16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 + Details
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- Definition The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References No definition available. + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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- Definition Carrying amount (including both current and noncurrent portions) of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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- Definition Carrying amount of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property that are expected to be paid after one year (or the normal operating cycle, if longer). + References No definition available. + Details
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