Fair Value Measurements - Fair Value Hierarchy for Financial Assets Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands		Jan. 02, 2016	Mar. 28, 2015
Cash Equivalents [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		$ 13,556	$ 32,519
Short-term Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		18,836	4,725
Foreign Exchange Forward [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		474	76
Deferred Compensation Plan Asset [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Deferred Compensation Plan Assets		2,449	2,075
Level 1 | Cash Equivalents [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		3,004	14,280
Level 1 | Short-term Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		0	0
Level 1 | Foreign Exchange Forward [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		0
Level 1 | Deferred Compensation Plan Asset [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Deferred Compensation Plan Assets		2,449	2,075
Level 2 | Cash Equivalents [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		10,552	18,239
Level 2 | Short-term Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		18,836	4,725
Level 2 | Foreign Exchange Forward [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		474
Level 2 | Deferred Compensation Plan Asset [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Deferred Compensation Plan Assets		0	0
Level 3 | Cash Equivalents [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		0
Level 3 | Short-term Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		0
Level 3 | Foreign Exchange Forward [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		0
Level 3 | Deferred Compensation Plan Asset [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Deferred Compensation Plan Assets		0	0
Money Market Instruments | Cash Equivalents [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		3,004	14,280
Money Market Instruments | Level 1 | Cash Equivalents [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		3,004	14,280
Commercial Paper | Cash Equivalents [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		8,948	15,537
Commercial Paper | Level 1 | Cash Equivalents [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets			0
Commercial Paper | Level 2 | Cash Equivalents [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		8,948	15,537
Corporate Bonds | Short-term Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets			853
Corporate Bonds | Level 1 | Short-term Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets			0
Corporate Bonds | Level 2 | Short-term Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets			853
Government agencies | Cash Equivalents [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		1,604	2,702
Government agencies | Short-term Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		18,836
Government agencies | Level 1 | Short-term Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		0
Government agencies | Level 2 | Cash Equivalents [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		1,604	2,702
Government agencies | Level 2 | Short-term Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		18,836
Government agencies | Level 3 | Short-term Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		0
Municipal Bonds | Short-term Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets			3,872
Municipal Bonds | Level 1 | Short-term Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets			0
Municipal Bonds | Level 2 | Short-term Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets			3,872
Forward purchase or (sale) contracts | Foreign Exchange Forward [Member] | Japanese Yen
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		58	7
Forward purchase or (sale) contracts | Foreign Exchange Forward [Member] | New Taiwan Dollars
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		10	17
Forward purchase or (sale) contracts | Foreign Exchange Forward [Member] | Korean Won
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		68	44
Forward purchase or (sale) contracts | Foreign Exchange Forward [Member] | Euro
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		261	277
Forward purchase or (sale) contracts | Foreign Exchange Forward [Member] | British Pound
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		60	133
Forward purchase or (sale) contracts | Foreign Exchange Forward [Member] | Chinese Renminbi
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		17	34
Forward purchase or (sale) contracts | Level 1 | Foreign Exchange Forward [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets			0
Forward purchase or (sale) contracts | Level 2 | Foreign Exchange Forward [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets			76
Forward purchase or (sale) contracts | Level 2 | Foreign Exchange Forward [Member] | Japanese Yen
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		58	7
Forward purchase or (sale) contracts | Level 2 | Foreign Exchange Forward [Member] | New Taiwan Dollars
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		10	17
Forward purchase or (sale) contracts | Level 2 | Foreign Exchange Forward [Member] | Korean Won
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		68	44
Forward purchase or (sale) contracts | Level 2 | Foreign Exchange Forward [Member] | Euro
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		261	277
Forward purchase or (sale) contracts | Level 2 | Foreign Exchange Forward [Member] | British Pound
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		60	133
Forward purchase or (sale) contracts | Level 2 | Foreign Exchange Forward [Member] | Chinese Renminbi
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of financial assets		17	34
Money Market Funds [Member] | Deferred Compensation Plan Asset [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Deferred Compensation Plan Assets		543	190
Money Market Funds [Member] | Level 1 | Deferred Compensation Plan Asset [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Deferred Compensation Plan Assets		543	190
Money Market Funds [Member] | Level 2 | Deferred Compensation Plan Asset [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Deferred Compensation Plan Assets		0	0
Money Market Funds [Member] | Level 3 | Deferred Compensation Plan Asset [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Deferred Compensation Plan Assets		0	0
Exchange Traded Funds [Member] | Deferred Compensation Plan Asset [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Deferred Compensation Plan Assets	[1]	1,906	1,885
Exchange Traded Funds [Member] | Level 1 | Deferred Compensation Plan Asset [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Deferred Compensation Plan Assets	[1]	1,906	1,885
Exchange Traded Funds [Member] | Level 2 | Deferred Compensation Plan Asset [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Deferred Compensation Plan Assets	[1]	0	0
Exchange Traded Funds [Member] | Level 3 | Deferred Compensation Plan Asset [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Deferred Compensation Plan Assets	[1]	$ 0	$ 0

[1] *These investments represent assets held in trust for our deferred compensation plan