Label	Element	Value
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	$ 202,370,000
Accounting Standards Update 2016-13 [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	(1,328,000)
Accounting Standards Update 2016-13 [Member] | AOCI Attributable to Parent [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	0
Accounting Standards Update 2016-13 [Member] | Common Stock [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	0
Accounting Standards Update 2016-13 [Member] | Retained Earnings [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	(1,328,000)
Accounting Standards Update 2016-13 [Member] | Additional Paid-in Capital [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	0
Accounting Standards Update 2018-02 [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	0
Accounting Standards Update 2018-02 [Member] | AOCI Attributable to Parent [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	(6,489,000)
Accounting Standards Update 2018-02 [Member] | Common Stock [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	0
Accounting Standards Update 2018-02 [Member] | Retained Earnings [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	6,489,000
Accounting Standards Update 2018-02 [Member] | Additional Paid-in Capital [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	0
Accounting Standards Update 2016-02 [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	13,289,000
Accounting Standards Update 2016-02 [Member] | AOCI Attributable to Parent [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	0
Accounting Standards Update 2016-02 [Member] | Common Stock [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	0
Accounting Standards Update 2016-02 [Member] | Retained Earnings [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	13,289,000
Accounting Standards Update 2016-02 [Member] | Additional Paid-in Capital [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	0
Accounting Standards Update_2016-16 [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	(2,062,000)
Accounting Standards Update_2016-16 [Member] | AOCI Attributable to Parent [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	0
Accounting Standards Update_2016-16 [Member] | Common Stock [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	0
Accounting Standards Update_2016-16 [Member] | Retained Earnings [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	(2,062,000)
Accounting Standards Update_2016-16 [Member] | Additional Paid-in Capital [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	0
Accounting Standards Update 2014-09 [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	10,209,000
Accounting Standards Update 2014-09 [Member] | AOCI Attributable to Parent [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	0
Accounting Standards Update 2014-09 [Member] | Common Stock [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	0
Accounting Standards Update 2014-09 [Member] | Retained Earnings [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	10,209,000
Accounting Standards Update 2014-09 [Member] | Additional Paid-in Capital [Member]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	pki_CumulativeEffectOfNewAccountingPronouncementInPeriodOfAdoption	$ 0