Number of persons employed by the Entity

No definition available.

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Namespace Prefix:	dei_
Data Type:	xbrli:decimalItemType
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Period Type:	instant

- 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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Data Type:	num:percentItemType
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Period Type:	duration

- 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/presentationRef
-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

+ 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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Balance Type:	credit
Period Type:	instant

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

+ 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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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(d))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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Period Type:	duration

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
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- Details

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Subsequent Events (Details) € in Millions, $ in Millions		3 Months Ended		12 Months Ended
Subsequent Events (Details) € in Millions, $ in Millions	Apr. 18, 2018 USD ($)	Apr. 01, 2018 USD ($)	Apr. 02, 2017 USD ($)	Dec. 31, 2017 EUR (€)	Apr. 30, 2018 Employee	May 09, 2014 USD ($)
Subsequent Event [Line Items]
Revenue		$ 19.1	$ 18.7
Maximum borrowing capacity		$ 38.4
Revolving Credit Facility [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity						$ 200.0
Maturity date		May 09, 2019
Basis points related to debt		0.25%
Revolving Credit Facility [Member] \| LIBOR [Member]
Subsequent Event [Line Items]
Facility variable interest rate		1.75%
Sivomatic [Member]
Subsequent Event [Line Items]
Revenue \| €				€ 73
Subsequent Event [Member] \| Revolving Credit Facility [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity	$ 300.0
Maturity date	Apr. 18, 2023
Basis points related to debt	0.25%
Subsequent Event [Member] \| Revolving Credit Facility [Member] \| LIBOR [Member]
Subsequent Event [Line Items]
Facility variable interest rate	1.625%
Subsequent Event [Member] \| Sivomatic [Member]
Subsequent Event [Line Items]
Number of employees \| Employee					115