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Long-Term Debt - Additional Information (Details) | Jan. 22, 2016 GBP (£) | Jan. 22, 2016 USD ($) | Mar. 31, 2016 USD ($) | Jan. 22, 2016 USD ($)
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Debt Instrument [Line Items] |  |  |  |
Line of credit facility, remaining borrowing capacity |  |  | $ 310,200,000 |
Line of credit facility, maximum borrowing capacity |  |  | 575,000,000.0 |
Proceeds from lines of credit |  |  | 0 |
Debt instrument, collateral amount |  |  | 2,600,000 |
Standby Letters of Credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  | 8,200,000.0 |
Senior Revolving Credit Facility Maturing in 2020 | Standby Letters of Credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  | $ 3,400,000.0 |
Notes Payable | Multi-currency Notes Due in 2031 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Aggregate principal amount | £ 54,900,000.0 |  |  | $ 80,000,000
Annual installment debt payments | £ 6,100,000.0 | $ 8,900,000 |  |
Debt instrument, stated interest rate percentage | 3.40% |  |  | 3.40%
Minimum fixed charges coverage ratio (not less than) | 1.50 | 1.50 |  |
Maximum consolidated leverage ratio (not to exceed) | 3.25 | 3.25 |  |

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- Definition Amount of assets pledged to secure a debt instrument. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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