Agreed-upon stated price target for company stock relating to the share-based payment award.

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Represents the total fair value of options granted during the reporting period.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for option under share-based payment arrangement.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of shares authorized for issuance under share-based payment arrangement.

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Gross number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Percentage of vesting of award under share-based payment arrangement.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Stock-Based Compensation - Narrative (Details) $ / shares in Units, $ in Millions		3 Months Ended		9 Months Ended
	May 20, 2019 USD ($) $ / shares shares	Dec. 28, 2019 USD ($) $ / shares shares	Dec. 29, 2018 USD ($) $ / shares shares	Dec. 28, 2019 USD ($) item $ / shares shares	Dec. 29, 2018 USD ($) $ / shares shares	Oct. 19, 2014 shares	Jan. 27, 2012 shares
Stock-Based Compensation
Stock-based compensation expense \| $		$ 1.2	$ 0.8	$ 3.3	$ 2.2
Cost of goods sold
Stock-Based Compensation
Stock-based compensation expense \| $		0.2	$ 0.1	$ 0.5	$ 0.3
Stock Options
Stock-Based Compensation
Stock options granted \| shares				344,225
Unrecognized stock-based compensation expense \| $		5.4		$ 5.4
Weighted-average recognition period				2 years 10 months 28 days
Restricted Stock Awards
Stock-Based Compensation
Unrecognized stock-based compensation expense \| $		3.6		$ 3.6
Weighted-average recognition period				2 years 9 months 21 days
Performance share units
Stock-Based Compensation
Unrecognized stock-based compensation expense \| $		$ 1.3		$ 1.3
Weighted-average recognition period				2 years 4 months 20 days
2011 Plan
Stock-Based Compensation
Shares authorized \| shares							3,750,000
Expiration period				10 years
Vesting period				5 years
2014 Plan
Stock-Based Compensation
Shares authorized \| shares						3,600,000
2014 Plan \| CEO
Stock-Based Compensation
Stock options granted \| shares	227,273
Aggregate grant date fair value \| $	$ 2.0
Grant date fair value (in dollars per share)	$ 8.80
Vesting period				4 years
Stated market price targets for company stock \| item				3
Exercise price (in dollars per share)	$ 28.63	$ 28.63		$ 28.63
2014 Plan \| CEO \| Tranche One
Stock-Based Compensation
Vesting percentage				33.00%
2014 Plan \| CEO \| Tranche Two
Stock-Based Compensation
Vesting percentage				33.00%
2014 Plan \| CEO \| Tranche Three
Stock-Based Compensation
Vesting percentage				34.00%
2014 Plan \| Stock Options
Stock-Based Compensation
Stock options granted \| shares		0	0	344,225
Grant date fair value (in dollars per share)				$ 9.61
2014 Plan \| Stock Options \| Minimum
Stock-Based Compensation
Expiration period				8 years
Vesting period				4 years
2014 Plan \| Stock Options \| Maximum
Stock-Based Compensation
Expiration period				10 years
Vesting period				5 years
2014 Plan \| Stock Options \| Members of management
Stock-Based Compensation
Stock options granted \| shares				116,952	264,691
Aggregate grant date fair value \| $				$ 1.3	$ 2.4
Grant date fair value (in dollars per share)				$ 11.19
Vesting period				4 years	4 years
Exercise price (in dollars per share)		$ 28.63		$ 28.63
2014 Plan \| Stock Options \| Members of management \| Minimum
Stock-Based Compensation
Grant date fair value (in dollars per share)					$ 8.90
Exercise price (in dollars per share)			$ 23.92		23.92
2014 Plan \| Stock Options \| Members of management \| Maximum
Stock-Based Compensation
Grant date fair value (in dollars per share)					11.11
Exercise price (in dollars per share)			$ 29.73		$ 29.73
2014 Plan \| Restricted Stock Awards \| Minimum
Stock-Based Compensation
Vesting period				1 year
2014 Plan \| Restricted Stock Awards \| Maximum
Stock-Based Compensation
Vesting period				4 years
2014 Plan \| Restricted Stock Units
Stock-Based Compensation
Restricted stock or performance share units granted \| shares		0	0	89,985	80,966
Aggregate grant date fair value \| $				$ 2.6	$ 2.0
2014 Plan \| Restricted Stock Units \| Employees
Stock-Based Compensation
Vesting period			4 years	4 years	4 years
2014 Plan \| Restricted Stock Units \| Director
Stock-Based Compensation
Vesting period			1 year	1 year	1 year
2014 Plan \| Restricted Stock Units \| Tranche One
Stock-Based Compensation
Vesting period				1 year
2014 Plan \| Restricted Stock Units \| Tranche Two
Stock-Based Compensation
Vesting period				4 years
2014 Plan \| Restricted Stock Units \| Tranche Three
Stock-Based Compensation
Vesting period				5 years
2014 Plan \| Performance share units
Stock-Based Compensation
Restricted stock or performance share units granted \| shares		0	0	38,546	0
Grant date fair value (in dollars per share)				$ 28.63
Vesting period				3 years
2014 Plan \| Performance share units \| Minimum
Stock-Based Compensation
Vesting percentage				0.00%
2014 Plan \| Performance share units \| Maximum
Stock-Based Compensation
Vesting percentage				200.00%
2014 Plan \| Performance share units \| Below Threshold
Stock-Based Compensation
Vesting percentage				0.00%
2014 Plan \| Performance share units \| Threshold
Stock-Based Compensation
Vesting percentage				50.00%
2014 Plan \| Performance share units \| Target
Stock-Based Compensation
Vesting percentage				100.00%
2014 Plan \| Performance share units \| Maximum Level
Stock-Based Compensation
Vesting percentage				200.00%