XML 68 R41.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Royalties Receivable - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | Apr. 04, 2015 | Jan. 03, 2015
--- | --- | ---
Royalties Receivable [Abstract] |  |
Royalty receivable | $ 7,000 masi_RoyaltyReceivable | $ 7,200 masi_RoyaltyReceivable

X
- Details
Name: | masi_RoyaltiesReceivableAbstract
Namespace Prefix: | masi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount due from third party for royalty earned during the period resulting from a settlement agreement. + References No definition available. + Details
Name: | masi_RoyaltyReceivable
Namespace Prefix: | masi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant