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Debt (Details) |  |  | 3 Months Ended
--- | --- | --- | ---
Mar. 02, 2017 USD ($) | Dec. 16, 2016 USD ($) | Mar. 31, 2017 USD ($) | Mar. 31, 2016 USD ($)
Line of Credit Facility [Line Items] |  |  |  |
Repayments on credit facility |  |  | $ 30,000,000 | $ 0
Revolving credit facility |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Leverage ratio |  |  | 3.00 |
Minimum interest coverage ratio for four consecutive fiscal quarters |  |  | 4.00 |
Revolving credit facility | Minimum |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Basis spread on variable interest rate |  |  | 0.75% |
Commitment fee on undrawn amounts |  |  | 0.30% |
Revolving credit facility | Maximum |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Basis spread on variable interest rate |  |  | 2.25% |
Commitment fee on undrawn amounts |  |  | 0.45% |
Credit Facility | Revolving credit facility |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Repayments on credit facility |  |  | $ 30,000,000 |
Amount outstanding |  |  | $ 0 |
Loan Facility | Revolving credit facility |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Borrowing capacity | $ 100,000,000.0 | $ 100,000,000.0 |  |
Debt term | 5 years | 5 years |  |
Loan Facility | Revolving credit facility | LIBOR |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Basis spread on variable interest rate | 3.75% |  |  |
Basis spread on variable interest rate, floor | 0.00% |  |  |
Loan Facility | Term loan |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Borrowing capacity | $ 260,000,000.0 | $ 260,000,000.0 |  |
Debt term | 7 years | 7 years |  |
Upfront fee | 0.50% |  |  |
Loan Facility | Term loan | LIBOR |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Basis spread on variable interest rate | 3.75% |  |  |
Basis spread on variable interest rate, floor | 0.75% |  |  |
Loan Facility | Term loan | LIBOR | Net leverage levels of less than 1.0 |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Basis spread on variable interest rate | 3.50% |  |  |
Leverage ratio | 1.0 |  |  |

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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + 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://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(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -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 + Details
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- Definition Maximum borrowing capacity 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 Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
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- Definition Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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