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Subsequent events, Long-term debt (Details) $ in Millions | Oct. 15, 2018 USD ($) | Sep. 29, 2017 USD ($) Institution | Oct. 04, 2018 USD ($)
--- | --- | --- | ---
2017 Credit Agreement [Member] |  |  |
Long-term Debt [Abstract] |  |  |
Number of lending institutions | Institution |  | 4 |
Current borrowing capacity |  | $ 200 |
Maturity date |  | Sep. 29, 2022 |
Borrowing capacity with accordion feature |  | $ 100 |
Maximum borrowing capacity |  | $ 300 |
Subsequent Event [Member] | 2017 Credit Agreement [Member] |  |  |
Long-term Debt [Abstract] |  |  |
Amount drew down under the facility |  |  | $ 100
Subsequent Event [Member] | Amended Credit Agreement [Member] | Minimum [Member] |  |  |
Long-term Debt [Abstract] |  |  |
Commitment fee percentage | 0.15% |  |
Subsequent Event [Member] | Amended Credit Agreement [Member] | Maximum [Member] |  |  |
Long-term Debt [Abstract] |  |  |
Commitment fee percentage | 0.30% |  |
Subsequent Event [Member] | Amended Credit Agreement [Member] | Eurocurrency [Member] |  |  |
Long-term Debt [Abstract] |  |  |
Debt instrument, basis spread on variable rate | 1.00% |  |
Debt instrument, term of variable rate | 1 month |  |
Subsequent Event [Member] | Amended Credit Agreement [Member] | Eurocurrency [Member] | Minimum [Member] |  |  |
Long-term Debt [Abstract] |  |  |
Debt instrument, basis spread on variable rate | 1.25% |  |
Subsequent Event [Member] | Amended Credit Agreement [Member] | Eurocurrency [Member] | Maximum [Member] |  |  |
Long-term Debt [Abstract] |  |  |
Debt instrument, basis spread on variable rate | 2.00% |  |
Subsequent Event [Member] | Amended Credit Agreement [Member] | Base Rate [Member] | Minimum [Member] |  |  |
Long-term Debt [Abstract] |  |  |
Debt instrument, basis spread on variable rate | 0.25% |  |
Subsequent Event [Member] | Amended Credit Agreement [Member] | Base Rate [Member] | Maximum [Member] |  |  |
Long-term Debt [Abstract] |  |  |
Debt instrument, basis spread on variable rate | 1.00% |  |
Subsequent Event [Member] | Amended Credit Agreement [Member] | Federal Funds Rate [Member] |  |  |
Long-term Debt [Abstract] |  |  |
Debt instrument, basis spread on variable rate | 0.50% |  |
Subsequent Event [Member] | Amended Credit Agreement [Member] | Revolving Credit Facility [Member] |  |  |
Long-term Debt [Abstract] |  |  |
Current borrowing capacity | $ 600 |  |
Maturity date | Oct. 13, 2023 |  |
Consolidated secured net leverage ratio | 2.50 |  |
Debt covenant, net leverage ratio | 3.50 |  |
Amount required for net leverage ratio | $ 200 |  |
Percentage of debt covenant, net leverage ratio, step up in connection with material acquistions | 0.50% |  |
Outstanding credit facility | $ 318 |  | $ 100
Additional amount borrowed under the facility | $ 218 |  |
Subsequent Event [Member] | Amended Credit Agreement [Member] | Revolving Credit Facility [Member] | Minimum [Member] |  |  |
Long-term Debt [Abstract] |  |  |
Debt covenant, consolidated debt service coverage ratio, minimum | 2.50 |  |
Subsequent Event [Member] | Amended Credit Agreement [Member] | Revolving Credit Facility [Member] | Maximum [Member] |  |  |
Long-term Debt [Abstract] |  |  |
Debt covenant, leverage ratio through September 29, 2019 | 4.00 |  |
Debt covenant, leverage ratio from September 30, 2019 to September 29, 2020 | 3.75 |  |
Debt covenant, leverage ratio thereafter | 3.50 |  |
Debt covenant, leverage ratio adjusted for forth quarter period | 4.00 |  |
Subsequent Event [Member] | Amended Credit Agreement [Member] | Term Loan Facility [Member] |  |  |
Long-term Debt [Abstract] |  |  |
Current borrowing capacity | $ 450 |  |
Percentage of original principal amount required to repay in the first two years | 2.50% |  |
Percentage of original principal amount required to repay during the third year | 5.00% |  |
Percentage of original principal amount required to repay remaining year | 7.50% |  |
Cash proceeds excess amount from dispositions of property or casualty events subject to certain reinvestment right | $ 100 |  |

X
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- Definition The cash proceeds in excess during the term of the Senior Secured Credit Facility from certain dispositions of property or from casualty events involving their property, subject to certain reinvestment rights. + References No definition available. + Details
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- Definition Maximum consolidated net leverage ratio required to be maintained under a debt covenant agreement. + References No definition available. + Details
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- Definition Maximum leverage ratio required to be maintained under a debt covenant agreement. A leverage ratio is calculated by dividing the funded debt by earnings before interest, taxes, depreciation and amortization for the most recent four quarters. + References No definition available. + Details
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- Definition Maximum leverage ratio required to be maintained under a debt covenant agreement. A leverage ratio is calculated by dividing the funded debt by earnings before interest, taxes, depreciation and amortization for the most recent four quarters. + References No definition available. + Details
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- Definition Maximum leverage ratio required to be maintained under a debt covenant agreement. A leverage ratio is calculated by dividing the funded debt by earnings before interest, taxes, depreciation and amortization for the most recent four quarters. + References No definition available. + Details
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- Definition Maximum leverage ratio required to be maintained under a debt covenant agreement. A leverage ratio is calculated by dividing the funded debt by earnings before interest, taxes, depreciation and amortization for the most recent four quarters. + References No definition available. + Details
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- Definition A debt service coverage ratio required to be maintained under a debt covenant agreement. The debt coverage ratio is calculated by dividing earnings before interest, taxes, depreciation and amortization for the most recent four quarters less cash taxes by the sum of current obligations and interest expense for borrowed money, in each case due and payable following four quarters. + References No definition available. + Details
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- Definition Maximum leverage ratio required to be maintained under a debt covenant agreement. A leverage ratio is calculated by dividing the funded debt by earnings before interest, taxes, depreciation and amortization for the most recent four quarters. + References No definition available. + Details
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- Definition Additional amount borrowed under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References No definition available. + Details
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- Definition Refers to line of credit facility additional borrowing capacity through accordion feature. + References No definition available. + Details
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- Definition Number of lending institutions in which the entity has a credit facility. + References No definition available. + Details
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- Definition Percentage of debt covenant of net leverage ratio to step up in connection with material acquisitions. + References No definition available. + Details
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- Definition The rate of interest that was being paid on the original debt issue that is to repay in the third year. + References No definition available. + Details
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- Definition The rate of interest that was being paid on the original debt issue that is to repay in the first two years. + References No definition available. + Details
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- Definition The rate of interest that was being paid on the original debt issue that is to repay in remaining years. + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + 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(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: 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(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: 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 fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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